A decennial undertaking that gathers information on the size and distribution of the population as well as information about its demographic, social, economic, and cultural characteristics. It also gathers information on the supply of housing units, their structural characteristics and facilities.

2015 Census of Population, Highlights Demographic Characteristics

As of August 1, 2015, Bicol Region had a total population of 5,796,989 persons based on the 2015 Census of Population (POPCEN 2015)
The total population is higher by 376,578 persons compared with the 2010 Census of Population and Housing (2010 CPH) count of 5,420,411 persons. Based on POPCEN 2007 , the total Population was 5,106,160 persons.

2015 Census of Population

What is the 2015 Census of Population?

The 2015 Census of Population (POPCEN 2015), which is a complete enumeration of households in the country, is designed primarily to take an inventory of the population of the entire Philippines. It also collects information about some characteristics of the population such as age, sex, marital status, and highest grade completed. It will be the 14th census of population to be undertaken in the country since the first census in 1903. Moreover, it will be the 3rd population census to be conducted in between two decennial censuses. Previous to POPCEN 2015, mid-decade censuses were carried out in 1995 and 2007.

Population of Region V - Bicol (Based on the 2015 Census of Population)

The population of Region V (Bicol Region) as of August 1, 2015 was 5,796,989 based on the 2015 Census of Population (POPCEN 2015). The 2015 population of the region is higher by 376,578 compared with the population of 5.42 million in 2010, and by 1,110,320 compared with the population of 4.69 million in 2000. Refer to Table 1.

Population of Region V - Bicol (Based on the 2010 Census of Population)

Total population of Bicol reached more than five million in the 2010 Census
As of May 1, 2010, the total population of Region V is 5,420,411, an increase of 734 thousand persons over the May 1, 2000 count of 4,686,669 persons. In 1990, the total population was 3.91 million3

Population of Region V - Bicol (Based on the 2007 Census of Population)

5.11 million Bicolanos in 2007 
Final results of the latest Census of Population (POPCEN 2007) conducted by the National Statistics Office (NSO) placed the Bicol Region’s population at 5,109,798 persons as of August 1, 2007. Said results down to barangay level were made official with the signing by President Gloria Macapagal-Arroyo of Proclamation No. 1489 on April 16, 2008.