• The population of Region IV-B (MIMAROPA) as of August 1, 2015 was 2,963,360 based on the 2015 Census of Population (POPCEN 2015).

• The 2015 population of the region is higher by 218,689 compared with the population of 2.74 million in 2010, and by 664,131 compared with the population of 2.30 million in 2000.  Refer to Table 1.

• The population of Region IV-B increased by 1.47 percent annually, on average, during the period 2010 to 2015. By comparison, the rate at which the region’s population grew during the period 2000 to 2010 was higher at 1.79 percent. See Table 2.

• Among the five provinces comprising the region, Palawan (excluding Puerto Princesa City) had the biggest population in 2015 with 849 thousand, followed by Oriental Mindoro with 844 thousand, Occidental Mindoro with 487 thousand, and Romblon with 293 thousand. Marinduque had the smallest population with 235 thousand. Refer to Table 3.

• Puerto Princesa City, the only highly urbanized city in the region posted a population of 255 thousand.

• The total population of Region IV-B accounted for about 2.9 percent of the Philippine population in 2015. 

• Palawan (excluding Puerto Princesa City) was the fastest growing province in the region with an average annual population growth rate (PGR) of 1.84 percent during the period 2010 to 2015. It was followed by Occidental Mindoro (1.40 percent), Oriental Mindoro (1.38 percent), and Romblon (0.59 percent). Marinduque posted the lowest provincial PGR of 0.55 percent.

• Puerto Princesa City posted a PGR of 2.62 percent. See Table 4.

• Region IV-B is composed of one highly urbanized city, one component city, 71 municipalities, and 1,459 barangays.

• Among the cities (excluding Puerto Princesa City) and municipalities in the region, the largest in terms of population size is San Jose, Occidental Mindoro with 143,430 persons. It was followed by City of Calapan, Oriental Mindoro (133,893) and Naujan, Oriental Mindoro (102,998). Refer to Table 5.

                      * Excluding Puerto Princesa City

• Kalayaan in Palawan is the least populous city/municipality in Region IV-B with 184 persons. It was followed by Concepcion (4,037) and Banton (5,536) - both in the province of Romblon. Five other municipalities in the province of Romblon and one municipality each in the province of Palawan and in the province of Occidental Mindoro comprise the rest of the ten least populous cities/municipalities in the region. See Table 6.

                           * Excluding Puerto Princesa City

• Of the 1,459 barangays in Region IV-B, the largest in terms of population size is San Pedro in Puerto Princesa City, Palawan with 22,089 persons. It was followed by Rio Tuba in Bataraza, Palawan (21,330) and Santa Monica in Puerto Princesa City, Palawan (20,094). The rest of the top ten most populous barangays in the region are located in the provinces of Palawan and Occidental Mindoro. Refer to Table 7.