The population of Region IX - Zamboanga Peninsula as of 01 May 2020 is 3,875,576 based on the 2020 Census of Population and Housing (2020 CPH). This accounts for about 3.55 percent of the Philippine population in 2020.

The population of the Cordillera Administrative Region (CAR) as of 01 May 2020 is 1,797,660 based on the 2020 Census of Population and Housing (2020 CPH). This accounts for about 1.65 percent of the Philippine population in 2020.

The population of the Bangsamoro Autonomous Region in Muslim Mindanao (BARMM) as of 01 May 2020 is 4,404,288 based on the 2020 Census of Population and Housing (2020 CPH). This accounts for about 4.04 percent of the Philippine population in 2020.

The population of Region XI - Davao Region as of 01 May 2020 is 5,243,536 based on the 2020 Census of Population and Housing (2020 CPH). This accounts for about 4.81 percent of the Philippine population in 2020.

The population of Region V - Bicol as of 01 May 2020 is 6,082,165 based on the 2020 Census of Population and Housing (2020 CPH). This accounts for about 5.58 percent of the Philippine population in 2020.

The population of Region I - Ilocos as of 01 May 2020 is 5,301,139 based on the 2020 Census of Population and Housing (2020 CPH). This accounts for about 4.86 percent of the Philippine population in 2020.

The population of Region VI - Western Visayas as of 01 May 2020 is 7,954,723 based on the 2020 Census of Population and Housing (2020 CPH). This accounts for about 7.30 percent of the Philippine population in 2020.

The population of Region IV-A - CALABARZON as of 01 May 2020 is 16,195,042 based on the 2020 Census of Population and Housing (2020 CPH). This accounts for about 14.85 percent of the Philippine population in 2020.

The population of Region XII - SOCCSKSARGEN as of 01 May 2020 is 4,901,486 based on the 2020 Census of Population and Housing (2020 CPH). This accounts for about 4.50 percent of the Philippine population in 2020.

The population of MIMAROPA Region as of 01 May 2020 is 3,228,558 based on the 2020 Census of Population and Housing (2020 CPH). This accounts for about 2.96 percent of the Philippine population in 2020.