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Mimaropa
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Mimaropa (officially stylized in all caps), officially the Southwestern Tagalog Region[3][4] (Filipino: Rehiyong Timog-Kanlurang Tagalog), is an administrative region in the Philippines. The name is an acronym combination of its constituent provinces: Mindoro (divided into Occidental Mindoro and Oriental Mindoro), Marinduque, Romblon, and Palawan. It is the only region in the country outside the Visayas that has no land border with another region.
Key Information
The region was part of the now-defunct Southern Tagalog region until May 17, 2002.[5] On May 23, 2005, Palawan and the highly urbanized city of Puerto Princesa were moved to the region of Western Visayas by Executive Order No. 429.[6] However, on August 19, 2005, President Arroyo issued Administrative Order No. 129 to put in abeyance Executive Order No. 429 pending a review.[7] On July 17, 2016, Republic Act No. 10879 formally established the Southwestern Tagalog Region to be known as Mimaropa, discontinuing the Region IV-B designation; however, no boundary changes were involved.[3]
Calapan is Mimaropa's regional center while the highly-urbanized city of Puerto Princesa is the most populous in the region.[8] However, most regional government offices such as the Department of Public Works and Highways[9] and the Department of Budget and Management are in Quezon City, Metro Manila, because Quezon City was the regional capital of Southern Tagalog.
History
[edit]Mimaropa, together with Calabarzon, were officially created with the partitioning of Southern Tagalog (Region IV) into the two regions on May 17, 2002, with the issuance of Executive Order No. 103 by then-President Gloria Macapagal Arroyo; for the purpose of promoting efficiency in the government, accelerating social and economic development and improving public services in the provinces covered. Region IV-B was designated as Mimaropa, which stands for the island provinces belonging to the Southern Tagalog region—Mindoro (Oriental and Occidental), Marinduque, Romblon and Palawan. Region IV-A was designated as Calabarzon.[5] Marinduque was a sub-province of Quezon, at that time known as Tayabas; it became an independent province in 1920. Quezon is now part of Calabarzon. Romblon was a sub-province of Capiz & was part of Western Visayas. When President Ferdinand Marcos enacted Presidential Decree No. 1, which organized the provinces into 11 regions as part of Marcos' Integrated Reorganization Plan,[10] Romblon was transferred from Western Visayas to Southern Tagalog.
On May 23, 2005, Executive Order 429 was issued, moving the province of Palawan to the region of Western Visayas,[6] designating Region IV-B as "Mimaro". However, Palawan residents criticized the move, citing a lack of consultation, with most residents in Puerto Princesa and nearly all municipalities preferring to stay with Region IV-B. Consequently, Administrative Order No. 129 was issued on August 19, 2005, to address this backlash. This order directed the abeyance of Executive Order 429 pending the approval of an implementation plan for the orderly transfer of Palawan from Mimaropa to Region VI.[7]
The 2010 Philippine Census of Population reported the region's name as "Mimaropa" and included Palawan as part of the region.[11] As of 2014[update], it is not clear whether the transfer of Palawan to Western Visayas is still considered pending by the Philippine government. As of 2014[update], the National Statistical Coordinating Board of the Philippines continued to list Palawan province as part of the Mimaropa region.[12][needs update]
On July 17, 2016, Republic Act No. 10879 formally established the Southwestern Tagalog Region to be known as the Mimaropa Region. This involved no boundary changes but was in effect merely a renaming and discontinuation of the "Region IV-B" designation.[3]
Demographics
[edit]| Year | Pop. | ±% p.a. |
|---|---|---|
| 1903 | 179,800 | — |
| 1918 | 262,462 | +2.55% |
| 1939 | 406,377 | +2.10% |
| 1948 | 468,619 | +1.60% |
| 1960 | 722,227 | +3.67% |
| 1970 | 1,020,222 | +3.51% |
| 1975 | 1,219,609 | +3.64% |
| 1980 | 1,408,040 | +2.91% |
| 1990 | 1,774,074 | +2.34% |
| 1995 | 2,033,271 | +2.59% |
| 2000 | 2,299,229 | +2.67% |
| 2007 | 2,559,791 | +1.49% |
| 2010 | 2,744,671 | +2.57% |
| 2015 | 2,963,360 | +1.47% |
| 2020 | 3,228,558 | +1.82% |
| 2024 | 3,245,446 | +0.13% |
| Source: Philippine Statistics Authority[1][13] | ||
Languages
[edit]
The native languages of Mimaropa are:
- Alangan, spoken in the interior of Mindoro.
- Asi, spoken in Romblon and Marinduque.
- Bonggi, spoken in the southernmost islands of Palawan
- Buhid, spoken in the interior of Mindoro.
- Calamian Tagbanwa, spoken in Palawan.
- Cuyonon, spoken in Palawan.
- Hanunoo, spoken in the interior of Mindoro.
- Hiligaynon, spoken in Palawan and Romblon.
- Iraya, spoken in the interior of Mindoro.
- Jama Mapun, spoken in the southernmost islands of Palawan
- Karay-a or Kinaray-a, spoken in eastern parts of Palawan, southern parts Mindoro and southern parts of Romblon.
- Molbog, spoken in south Palawan.
- Onhan, spoken in Romblon.
- Palawano, spoken in Palawan.
- Ratagnon, spoken in the south Mindoro.
- Romblomanon, spoken in Romblon.
- Sabah Malay, spoken in south Palawan.
- Sibuyanon, spoken in Romblon.
- Tadyawan, spoken in the interior of Mindoro.
- Tagalog, spoken in Occidental Mindoro, Oriental Mindoro, Marinduque, Romblon, and Palawan. It is the regional lingua franca, mostly as Filipino.
- Tausug, spoken in southwestern Palawan.
- Tawbuid, spoken in the interior of Mindoro.
Economy
[edit]This section needs additional citations for verification. (February 2022) |
Poverty Incidence of Mimaropa
10
20
30
40
50
2003
48.10 2006
40.60 2009
34.54 2012
31.02 2015
25.23 2018
15.08 2021
15.00 Source: Philippine Statistics Authority[14][15][16][17][18][19][20] |
In 2007, Mimaropa's economy surged by 9.4%, making it the fastest growing region in the country in that year.[21] It was aided by robust growth in the industrial sector which grew by 19.1% from -6.1% in 2006.[21] Mimaropa experienced a big slowdown in 2006, posting a decelerated growth of 2.3% from a 6.4% increase in 2005. This resulted mainly from the slump in the industry sector, which shrunk by 5.4% in 2006 from its 10.8% increase in 2005.
The agriculture, forestry, and fishing sector, which contributed 42.1% to the total regional economy, grew by 9.1% in 2006, accelerating from 3.2% the previous year. The higher production of rice, maize, other crops, livestock and fishery resulted in the accelerated growth in the total agriculture and fishery sector.
The industry sector, which contributed 38.3% to the region's total economy, was the second largest contributor next to agriculture. Its decline of 5.4% was largely attributed to the decrease in the mining and quarrying sub-sector, which went down by 15.4% due to the reduced production of natural gas in Palawan. Mining and quarrying contributed 16.6% to the total regional economy. The positive growth in the electricity and water, construction and manufacturing sub-sectors were not able to compensate for the drop in the mining and quarrying sub-sector.
The service sector, on the other hand, posted an accelerated growth of 5.1%, which was attributed to the increase in the TCS, finance, private services, government services and trade sub-sectors, which managed to post accelerated growths of 6.0%, 5.5%, 5.1%, 5.1% and 4.7%, respectively. The other sub-sector, however, had a decelerated growth due to the slowdown in the ownership of dwellings.
Tourism
[edit]There are many scenic spots in Mimaropa. Some of them are the Bathala Cave, Balanacan Bay, and Tres Reyes Islands in the province of Marinduque; White Island in Mindoro; Fort San Andres, Mount Guiting-Guiting, and Bonbon Beach in Romblon; and the Puerto Princesa Subterranean River National Park and El Nido Marine Reserve Park in Palawan.
Administrative divisions
[edit]Provinces
[edit]
Mimaropa comprises 5 provinces, 1 highly urbanized city (Puerto Princesa), 1 component city (Calapan), 71 municipalities and 1,460 barangays.
- † Regional center
| Province or HUC | Capital | Population (2020)[22] | Area | Density | Cities | Muni. | Barangay | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| km2 | sq mi | /km2 | /sq mi | |||||||||
| Marinduque | Boac | 7.4% | 239,207 | 952.58 | 367.79 | 250 | 650 | 0 | 6 | 218 | ||
| Occidental Mindoro | Mamburao | 16.3% | 525,354 | 5,865.70 | 2,264.76 | 90 | 230 | 0 | 11 | 164 | ||
| Oriental Mindoro | † Calapan | 28.1% | 908,339 | 4,238.40 | 1,636.46 | 210 | 540 | 1 | 14 | 426 | ||
| Palawan | Puerto Princesa | 29.1% | 939,594 | 14,649.70 | 5,656.28 | 64 | 170 | 0 | 23 | 367 | ||
| Romblon | Romblon | 9.6% | 308,985 | 1,533.50 | 592.09 | 200 | 520 | 0 | 17 | 219 | ||
| Puerto Princesa | † | — | 9.5% | 307,079 | 2,381.02 | 919.32 | 130 | 340 | — | — | 66 | |
| Total | 3,228,558 | 29,620.90 | 11,436.69 | 110 | 280 | 2 | 71 | 1,460 | ||||
|
† Puerto Princesa is a highly urbanized city pursuant to Presidential Proclamation No. 1264;[23] figures are excluded from Palawan. | ||||||||||||
Governors and vice governors
[edit]| Province | Image | Governor | Political Party | Vice Governor | |
|---|---|---|---|---|---|
| Melecio J. Go | PDP–Laban | Romulo A. Bacorro Jr. | |||
| Eduardo Gadiano | PFP | Anecita Diana Apigo-Tayag | |||
| Humerlito Dolor | GSM | Antonio S. Perez Jr. | |||
| Amy R. Alvarez | PPPL | Leoncio Nacasi Ola | |||
| Trina Alejandra Q. Firmalo-Fabic | Liberal | Armando Gutierrez | |||
Notable people
[edit]References
[edit]- ^ a b Census of Population (2015). "Region IV-B (Mimaropa)". Total Population by Province, City, Municipality and Barangay. Philippine Statistics Authority. Retrieved June 20, 2016.
- ^ a b "2022 to 2024 Gross Regional Domestic Product" (PDF). Philippine Statistics Authority.
- ^ a b c Republic Act No. 10879 (July 17, 2016), An Act establishing the Southwestern Tagalog Region, to be known as the MIMAROPA Region, The Official Gazette, retrieved January 4, 2017
- ^ "Philippine Statistics Authority | Republic of the Philippines". Archived from the original on December 28, 2017. Retrieved March 6, 2017.
- ^ a b Executive Order No. 103 (May 17, 2002), Dividing Region IV into Region IV-A and Region IV-B, Transferring the Province of Aurora to Region III and for Other Purposes, National Statistical Coordination Board, archived from the original on May 18, 2016, retrieved November 1, 2014
- ^ a b Executive Order No. 429 (May 23, 2005), Providing for the Reorganization of Administrative Region VI to Include the Province of Palawan and Puerto Princesa City, National Statistical Coordination Board, archived from the original on May 31, 2016, retrieved November 1, 2014
- ^ a b Administrative Order No. 129 (August 19, 2005), Directing the Department of the Interior and Local Government to Hold In Abeyance the Implementation of Executive Order No. 429 (s. 2005) Pending Its Submission of an Implementation Plan and Its Subsequent Approval by the Office of the President, National Statistical Coordination Board, archived from the original on February 19, 2006, retrieved March 22, 2011
- ^ Executive Order No. 682 (November 22, 2007), Designating Calapan City as the Regional Center of Region IV-B Otherwise Referred to as the MIMAROPA Region (PDF), The Official Gazette, retrieved December 3, 2023
- ^ "Region IV-B Directory: Regional Office Directory". Department of Public Works and Highways. Archived from the original on August 2, 2012. Retrieved November 2, 2014.
- ^ Reorginazing the Executive Branch of the National Government (Presidential Decree 1). September 24, 1972. Retrieved April 12, 2017.
- ^ "Population and Annual Growth Rates by Province, City, and Municipality : Region IVB - MIMAROPA: 1990, 2000, and 2010". 2010 Philippine Census of Population. Census.gov.ph. Archived from the original on July 7, 2012.
- ^ "Region: REGION IV-B (MIMAROPA)". National Statistical Coordinating Board of the Philippines. Archived from the original on August 2, 2014. Retrieved May 26, 2012.
- ^ "Population and Annual Growth Rates for The Philippines and Its Regions, Provinces, and Highly Urbanized Cities" (PDF). 2010 Census and Housing Population. Philippine Statistics Authority. Archived from the original (PDF) on September 28, 2013. Retrieved August 9, 2013.
- ^ "Poverty incidence (PI):". Philippine Statistics Authority. Retrieved December 28, 2020.
- ^ "2009 Official Poverty Statistics of the Philippines" (PDF). Philippine Statistics Authority. February 8, 2011.
- ^ "Annual Per Capita Poverty Threshold, Poverty Incidence and Magnitude of Poor Population, by Region and Province: 1991, 2006, 2009, 2012 and 2015". Philippine Statistics Authority. August 27, 2016.
- ^ "Annual Per Capita Poverty Threshold, Poverty Incidence and Magnitude of Poor Population, by Region and Province: 1991, 2006, 2009, 2012 and 2015". Philippine Statistics Authority. August 27, 2016.
- ^ "Annual Per Capita Poverty Threshold, Poverty Incidence and Magnitude of Poor Population, by Region and Province: 1991, 2006, 2009, 2012 and 2015". Philippine Statistics Authority. August 27, 2016.
- ^ "Updated Annual Per Capita Poverty Threshold, Poverty Incidence and Magnitude of Poor Population with Measures of Precision, by Region and Province: 2015 and 2018". Philippine Statistics Authority. June 4, 2020.
- ^ "2021 Full Year Official Poverty Statistics of the Philippines" (PDF). Philippine Statistics Authority. August 15, 2022. Retrieved April 28, 2024.
- ^ a b "NSCB - 2007 Gross Regional Domestic Product". National Statistical Coordination Board. July 28, 2008. Archived from the original on April 20, 2009. Retrieved May 18, 2009.
- ^ Census of Population (2020). "Mimaropa". Total Population by Province, City, Municipality and Barangay. Philippine Statistics Authority. Retrieved July 8, 2021.
- ^ "Puerto Princesa to hold plebiscite simultaneous with May 14 elections". Philippine Information Agency (Press release). April 27, 2007.
External links
[edit]
Media related to Mimaropa at Wikimedia Commons
Mimaropa travel guide from Wikivoyage
Geographic data related to Mimaropa at OpenStreetMap
Mimaropa
View on GrokipediaGeography
Physical Features
The MIMAROPA region consists of four primary island groups: Mindoro, with a total land area of approximately 9,735 square kilometers divided between its eastern and western provinces; Marinduque, covering 952.58 square kilometers; the Romblon archipelago, encompassing about 1,356 square kilometers across islands such as Tablas, Sibuyan, and Romblon; and Palawan, whose province spans 14,649.73 square kilometers, dominated by its main elongated island trending northeast-southwest.[10][11][12] These islands form a discontinuous archipelago south and southwest of Luzon, with no land connections to other Philippine regions, relying entirely on maritime routes for inter-island and external linkages, which has historically reinforced geographic isolation conducive to unique ecological speciation patterns.[13] Topographically, the region features rugged interiors of mountain ranges and rolling hills interspersed with coastal lowlands and narrow plains. Prominent elevations include Mount Mantalingahan in southern Palawan, the province's highest peak at 2,085 meters, anchoring a protected landscape of 120,457 hectares recognized for its biodiversity and inscribed on UNESCO's tentative World Heritage List since 2015.[14] In Romblon, Mount Guiting-Guiting on Sibuyan Island rises sharply, exemplifying the volcanic and sedimentary formations prevalent across the islands. Marinduque's geology reflects volcanic origins, with andesitic rocks and features like the Malindig volcano contributing to its heart-shaped profile and intra-arc basin structure.[15] Karst landscapes, underground river systems, and fringing coral reefs further define Palawan's terrain, while seismic risks persist due to the region's position along the Pacific Ring of Fire, a tectonically active zone prone to earthquakes and volcanism.[16][17]Climate
The MIMAROPA region experiences a tropical maritime climate dominated by high temperatures, elevated humidity levels averaging 75-85%, and abundant rainfall influenced by monsoon patterns. Mean annual temperatures range from 26°C to 32°C across the provinces, with diurnal variations typically between 24°C at night and 30-31°C during the day, showing little seasonal fluctuation due to the equatorial proximity.[18] The Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) classifies much of the region under Type III climate, characterized by no pronounced dry season but a brief period of lower rainfall lasting one to three months, often November to February, driven by the northeast monsoon.[18] Rainfall distribution varies by province, with Palawan recording over 2,000 mm annually and exhibiting Type IV traits of evenly spread precipitation without a true dry month, owing to consistent southwest monsoon influences. In contrast, Occidental Mindoro displays relatively drier conditions with more defined short dry spells compared to Palawan's wetter interiors, reflecting topographic and exposure differences in the archipelagic terrain.[19] The wet season, from June to October, aligns with the southwest monsoon (habagat), delivering peak downpours that can exceed 300 mm monthly in exposed areas, while the transitional periods heighten risks from convective activity. MIMAROPA's western position exposes it to tropical cyclone influences, though direct landfalls are less common than in eastern Luzon, with the Philippines overall seeing about 20 such systems enter its area of responsibility yearly and 8-9 making landfall nationwide.[20] Mindoro provinces, in particular, face impacts from 5-10 cyclones annually through heavy rains, storm surges, and winds, amplified by the region's coastal and island geography. El Niño events periodically induce droughts, reducing rainfall by up to 20-40% in vulnerable agricultural zones like Occidental Mindoro, exacerbating water scarcity during the brief dry phases.[20]Biodiversity
The MIMAROPA region, encompassing the islands of Mindoro, Marinduque, Romblon, and Palawan, supports diverse ecosystems including tropical rainforests, karst formations, and marine habitats within the Coral Triangle, contributing to the Philippines' recognition as a global biodiversity hotspot with elevated endemism rates among vertebrates and plants.[21] Isolation on these oceanic islands has fostered speciation, with Palawan alone hosting over 100 threatened species, including 67 Philippine endemics and 42 restricted to the island.[22] Terrestrial fauna includes the tamaraw (Bubalus mindorensis), a critically endangered dwarf buffalo endemic to Mindoro, with fewer than 500 individuals remaining, primarily in montane grasslands of Mounts Iglit-Baco National Park; its IUCN status reflects ongoing population declines due to limited habitat connectivity.[23][24] Avian diversity features numerous endemics, such as the 27 Philippine-endemic bird species recorded in Palawan, including the Palawan hornbill (Anthracoceros marchei) and Palawan peacock-pheasant (Polyplectron napoleonis), alongside reptiles and amphibians unique to smaller islands like Sibuyan in Romblon, where vascular plants exhibit high localized endemism.[25] Flora in the Palawan moist forests demonstrates exceptional richness, with the Puerto Princesa Subterranean River National Park— a UNESCO World Heritage Site—containing the highest recorded tree diversity globally for this ecoregion, supporting over 800 plant species.[26] Mangrove forests fringe much of the region's coastlines, providing habitat for intertidal species and acting as nurseries for marine life, though precise regional coverage integrates into national totals exceeding 250,000 hectares as of circa 2000.[27] Marine ecosystems stand out for their productivity, with Tubbataha Reefs Natural Park, another UNESCO World Heritage Site in the Sulu Sea, encompassing approximately 97,000 hectares of coral reefs that harbor at least 600 fish species, 360 scleractinian corals, 11 shark species, and 13 cetacean species, underscoring its role in regional larval dispersal and as a refuge for IUCN-listed marine taxa.[28] Empirical surveys confirm over 70% coral cover in pristine areas of the park, with biodiversity metrics indicating support for 181 threatened or near-threatened marine species. These sites exemplify MIMAROPA's ecological significance, where endemism and species richness—such as the 35% endemic bird rate across the broader Philippine hotspot—highlight the need for sustained monitoring of IUCN statuses amid natural fragmentation pressures.[21]History
Pre-Colonial and Early History
Archaeological evidence from Tabon Cave in Palawan reveals human habitation dating back approximately 50,000 years, with Homo sapiens fossils confirmed to around 47,000 years before present, marking some of the earliest known modern human presence in Southeast Asia.[29][30] These findings include stone tools and faunal remains indicative of hunter-gatherer lifestyles, though continuous occupation patterns remain debated due to limited dating precision in deeper strata. Austronesian speakers arrived in the Philippine archipelago, including the MIMAROPA islands, between 3000 and 2000 BCE, introducing maritime technologies, domesticated plants like rice and taro, and Austronesian languages that form the basis of modern indigenous tongues in the region.[31] This migration facilitated the transition from primarily foraging economies to mixed subsistence systems, with evidence of early settlements in coastal and riverine areas of Palawan and Mindoro supported by pottery and adze artifacts. Indigenous groups such as the Mangyan in Mindoro and Tagbanua in Palawan organized into kinship-based barangays—small, autonomous communities of 30 to 100 families led by datus without centralized states or large-scale hierarchies.[32] These units relied on swidden (slash-and-burn) agriculture for upland rice, root crops, and bananas, supplemented by hunting, gathering, and fishing; Mangyan practices emphasized sustainable rotation of fields to maintain soil fertility.[33] Tagbanua societies similarly practiced animism, conducting rituals to appease spirits (anito) for bountiful harvests and safe voyages, while maintaining oral traditions and, in some cases, pre-colonial scripts for recording myths and genealogies. Inter-island and regional trade networks connected MIMAROPA polities, with Palawan's pearl fisheries and gold deposits exchanged for ceramics, beads, and spices from Chinese, Malay, and Indian traders as early as the 10th century CE.[34] Artifacts like gold ornaments and imported porcelain from sites in Palawan underscore these exchanges, which operated through barter in barangay ports rather than formal markets, fostering economic interdependence without political unification.[35]Colonial Period
The Spanish first explored Mindoro in April 1570, advancing northward from their base in Panay amid reports of potential Chinese threats and local resources.[36] Captain Juan de Salcedo further surveyed the island's west coast in 1572, encountering indigenous Mangyan groups and establishing initial contacts that facilitated later settlements.[37] In Marinduque, Spanish forces under Martín de Goiti and Salcedo claimed the island in 1571, granting it as an encomienda to Augustinian friar Pedro de Herrera to oversee evangelization and tribute collection.[38] Romblon saw Spanish administration from the late 16th century, initially under the jurisdiction of Iloilo's Arevalo before transfer to Tayabas province in 1716, with efforts focused on subduing local datus and converting Ati and Mangyan populations.[39] Palawan's colonization proceeded more gradually due to its remoteness and Muslim resistance; Spanish outposts like Cuyo fort were established in the 17th century primarily to counter Moro incursions from Mindanao, which plagued the region with raids devastating coastal settlements in Mindoro and the Calamianes Islands from the 1600s onward. These Moro attacks, involving slave-raiding and plunder, intensified after 1720, forcing abandonment of several Mindoro pueblos and prompting Spanish punitive expeditions that often failed to eradicate pirate bases.[37] Resource extraction under Spanish rule included beeswax, timber, and abaca from Mindoro and Palawan, funneled into the Manila galleon trade system, though the islands served more as peripheral suppliers than direct routes. Evangelization efforts by Franciscans and Recollects built churches, such as Marinduque's Boac Cathedral in the late 16th century, but faced resistance from non-Christian highlanders and intermittent revolts tied to excessive tribute demands. As the Philippine Revolution erupted in 1896, Mindoro's elites, influenced by Katipunan networks, launched uprisings against Spanish authorities, culminating in the island's liberation by Filipino forces on July 1, 1898, after 328 years of colonial rule.[37] Similar unrest occurred in Palawan and Romblon, where local revolutionaries seized garrisons amid Spain's weakening grip. The American period began with U.S. occupation in 1899, establishing civil government in northern Palawan by 1902 and introducing a public education system emphasizing English literacy and vocational training across the region. Infrastructure developments included roads and ports to facilitate trade, but American policies also enabled exploitative logging through licenses granted to companies, accelerating deforestation in Mindoro's forests by the early 1900s.[33] Mining concessions for coal and chromite emerged in Mindoro and Palawan, prioritizing export over local benefit, while resistance from indigenous groups persisted against land encroachments. This era ended with Japanese occupation in 1941, followed by Allied liberation in 1945, marking the transition to post-colonial administration.Modern Developments and Regional Formation
Following Philippine independence in 1946, the provinces comprising what would become MIMAROPA—Occidental Mindoro, Oriental Mindoro, Marinduque, Romblon, and Palawan—were administered as part of the Southern Tagalog region, which was formally designated as Region IV in the late 1970s under the integrated regional planning framework established by the Marcos administration to streamline national development efforts.[40] This encompassed both the mainland provinces (now CALABARZON) and the island groups, though geographic and economic disparities began to emerge, with island areas lagging in infrastructure and investment.[13] The declaration of martial law on September 21, 1972, centralized authority under President Ferdinand Marcos, curtailing local governance and redirecting resources toward national security priorities, which delayed regional-specific initiatives in areas like MIMAROPA amid suppression of dissent and insurgency.[41] The 1986 EDSA People Power Revolution ousted Marcos, ushering in democratic restoration under President Corazon Aquino; the 1987 Constitution and the 1991 Local Government Code subsequently devolved powers to local units, enhancing autonomy for provincial and municipal bodies in MIMAROPA to address localized needs such as disaster response and basic services.[41] To rectify developmental imbalances between the industrialized mainland and the more remote islands, President Gloria Macapagal Arroyo issued Executive Order No. 103 on May 17, 2002, partitioning Region IV into Region IV-A (CALABARZON) and Region IV-B (MIMAROPA), with the latter acronym denoting the provinces of Mindoro (Occidental and Oriental), Marinduque, Romblon, and Palawan.[42] The order aimed to accelerate social and economic growth in the island provinces by tailoring administrative focus, improving public services, and promoting efficient governance, effective immediately upon issuance.[43] Geopolitical tensions intensified in the 2010s with disputes over the Reed Bank (also known as Recto Bank), a resource-rich area in the West Philippine Sea adjacent to Palawan, where Chinese vessels obstructed Philippine seismic surveys starting in 2011 and escalating in 2012–2013, preventing oil and gas exploration amid overlapping territorial claims.[44] These incidents underscored vulnerabilities in MIMAROPA's maritime domains, prompting heightened national defense measures and international arbitration efforts, including the 2016 Permanent Court of Arbitration ruling favoring Philippine claims, though enforcement remained contested.[44] In the 2020s, regional development plans have highlighted MIMAROPA's relative underdevelopment—marked by lower infrastructure density and higher poverty incidence compared to the National Capital Region—fueling advocacy for targeted investments without altering its established regional status.[45]Government and Administration
Regional Governance
The Southwestern Tagalog Region, officially designated as MIMAROPA under Republic Act No. 10879 enacted on July 17, 2016, functions as an administrative region without a centralized regional executive authority such as a governor.[46] Instead, governance emphasizes coordination among provincial and local government units (LGUs) through regional offices of national line agencies, aligning with the decentralized framework established by the Local Government Code of 1991 (Republic Act No. 7160).[47] This code devolved core functions—including delivery of basic services in health, agriculture, environment, and social welfare—to provinces, cities, municipalities, and barangays, transferring corresponding assets, personnel, and budgetary responsibilities from national to local levels to promote fiscal and administrative autonomy.[48] The Regional Development Council (RDC) MIMAROPA, chaired by the National Economic and Development Authority (NEDA) regional director, serves as the region's primary policy-coordinating mechanism, formulating medium-term regional development plans and endorsing priority projects.[49] It facilitates inter-agency collaboration, particularly integrating efforts from the Department of Environment and Natural Resources (DENR) for sustainable resource management, the Department of Agriculture (DA) for food security initiatives, and the Department of Trade and Industry (DTI) for economic diversification.[4] Regional offices of these agencies implement national policies while adapting to local contexts, such as archipelagic logistics, though coordination remains challenged by the region's geographic dispersion across five provinces.[1] Fiscal operations reflect limited regional autonomy, with LGUs heavily dependent on national transfers via the Internal Revenue Allotment (IRA), which forms the bulk of local budgets alongside locally generated revenues from taxes and fees.[50] National government agencies allocate specific budgets for regional programs, supporting infrastructure and disaster response, but inter-provincial harmonization of priorities—such as unified environmental enforcement or agricultural extension services—often encounters delays due to varying provincial capacities and maritime barriers.[51] The Department of the Interior and Local Government (DILG) regional office oversees compliance with devolution mandates, conducting capacity-building to enhance LGU performance in service delivery.[52]Provincial Divisions
The MIMAROPA Region is divided into five provinces: Marinduque, Occidental Mindoro, Oriental Mindoro, Palawan, and Romblon. These provinces form the primary tier of local government, subdivided into municipalities and cities, totaling 71 municipalities and two cities—Calapan as a component city within Oriental Mindoro and Puerto Princesa as a highly urbanized city administered independently of Palawan province. At the base level, the region includes 1,460 barangays, which handle grassroots governance and community services.[53][13] Provincial land areas range from 952.58 km² in Marinduque to 14,649.73 km² in Palawan, reflecting diverse archipelagic structures with varying numbers of municipalities per province—such as 6 in Marinduque, 11 in Occidental Mindoro, 15 in Oriental Mindoro (plus Calapan City), 24 in Palawan, and 17 in Romblon. Population densities differ markedly, with Palawan recording the sparsest at 64 persons per km² (excluding Puerto Princesa) per the 2020 census, attributable to its expansive terrain including protected areas and islands.[54][6]| Province | Capital | Land Area (km²) |
|---|---|---|
| Marinduque | Boac | 952.58 [11] |
| Occidental Mindoro | San Jose | 5,851.09 [55] |
| Oriental Mindoro | Calapan | 4,238.38 [56] |
| Palawan | Puerto Princesa | 14,649.73 [54] |
| Romblon | Romblon | 1,533.45 [57] |
Political Dynamics
In MIMAROPA, political competition is characterized by the influence of major national parties such as PDP-Laban, which held dominant majority status in recent elections, and the Nacionalista Party as a key minority force, alongside local alliances often prioritizing family ties over strict party ideology.[58] In the 2022 gubernatorial races, incumbents retained control in provinces like Oriental Mindoro and Palawan, reflecting patterns of continuity amid fragmented opposition.[59] The 2025 midterms saw similar retention in most areas, with Governor Bonz Dolor securing a third term in Oriental Mindoro despite challenges from rival clans.[60] ![Governor Bonz Dolor of Oriental Mindoro][float-right] Dynastic politics remains entrenched, with families controlling successive governorships and legislative seats across provinces; for instance, the Dolor clan in Oriental Mindoro and the Velasco family in Marinduque (until their 2025 defeat) exemplify how kinship networks sustain power through resource patronage and electoral machinery.[61] This dominance, affecting over 70% of Philippine governorships nationally including MIMAROPA's, correlates with governance challenges like uneven infrastructure development and accountability gaps, as dynasties prioritize intra-family competition over broad reforms.[59] Voter turnout in regional polls hovers around national averages of 82% for midterms, though rural accessibility issues in islands like Romblon and Palawan contribute to variability.[62] Debates on federalism, prominent during the Duterte administration (2016-2022), positioned MIMAROPA as a potential autonomous federal state to decentralize control over natural resources like Palawan's minerals and Mindoro's agriculture, aiming to reduce Manila's fiscal oversight and empower local revenues. Proponents argued this would address regional disparities, but critics highlighted risks of entrenching local elites without institutional checks, with momentum waning under President Marcos amid stalled constitutional amendments.[63] Corruption perceptions remain elevated, mirroring national indices where the Philippines scored 33/100 in 2024, with anecdotal provincial reports implicating patronage in mining permits and public works, though province-specific data is limited.[64]Demographics
Population Statistics
As of the 2020 Census of Population and Housing (CPH) conducted by the Philippine Statistics Authority (PSA), the total population of MIMAROPA stood at 3,228,558 persons.[65] This figure reflected an annualized growth rate of 1.82% from the 2015 census, which enumerated 2,963,360 residents, placing the region's expansion below the national average of 1.93% over the same period.[66] The slower growth has been attributed to net outmigration, particularly to urban centers in the National Capital Region and Central Luzon, contributing to potential demographic pressures such as an aging population structure in rural provinces.[66] By the 2024 Census of Population (POPCEN), the population had increased modestly to 3,245,446, yielding an average annual growth rate of just 0.13% between 2020 and 2024—significantly decelerated from prior decades and well below the national rate of approximately 0.72% for the same interval.[66] This equates to a net addition of only 16,888 persons over four years, highlighting persistent emigration trends amid limited local economic opportunities. Urbanization remains moderate, with roughly 40% of the population residing in urban areas as of recent estimates derived from PSA barangay classifications, compared to the national urban share exceeding 50%.[66] Puerto Princesa City, the region's largest urban center and highly urbanized independent component city, accounted for 307,079 residents in the 2020 CPH, representing nearly 10% of the total regional population and serving as a key hub for commerce and administration in Palawan.[67] Population density varies markedly across provinces due to differences in land area and development: the region averaged 121 persons per square kilometer in 2020, but Oriental Mindoro recorded the highest at approximately 214 persons per square kilometer (with 908,339 residents over 4,238 square kilometers), driven by concentrations around Calapan City and coastal municipalities, while sparser provinces like Palawan exhibited densities below 100 per square kilometer owing to vast undeveloped interiors.[68][69]| Province/City | 2020 Population | Density (persons/km², 2020) |
|---|---|---|
| Occidental Mindoro | 517,791 | 88 |
| Oriental Mindoro | 908,339 | 214 |
| Marinduque | 239,207 | 278 |
| Romblon | 292,743 | 188 |
| Palawan (province excl. Puerto Princesa) | 528,287 | 37 |
| Puerto Princesa City | 307,079 | 142 |
| Total | 3,228,558 | 121 |

