Population of Lanao Del Sur Grew Annually by 4.98 Percent (Results from the 2007 Census of Population)

Reference Number: 


Release Date: 

Monday, July 19, 2010


Total population increased to over one million

The province of Lanao del Sur had a total population of 1,138,544 persons as of August 1, 2007. This count is higher by 42.3 percent compared with the census count of 800,162 persons as of May 1, 2000. The increase in population count for the period 2000 to 2007 translated to an annual population growth rate of 4.98 percent.

Likewise, the household population of Lanao del Sur increased by 42.5 percent from 798,669 persons in 2000 to 1,137,987 persons in 2007. The number of households, meanwhile, grew by 42.0 percent from 117,435 households in 2000 to 166,785 households in 2007. The average household size in 2007 was 6.8 persons. The same average household size was recorded in 2000.

Marawi City had the highest population count

Among the lone city and 39 municipalities in Lanao del Sur, Marawi City, the provincial capital, remained the biggest in terms of population size in 2007. It accounted for 15.6 percent of the total population of the province. It was followed by the municipalities of Lumba-Bayabao (Maguing) (5.0 percent) and Wao (3.7 percent). In 2000, the municipality of Malabang was the third most populated area in the province. The municipality of Tagoloan II was the least populated in 2007, while the municipality of Bumbaran was the least populated in 2000.


Sex ratio was 96 males per 100 females

Of the 1,137,987 household population in 2007, females accounted for 51.1 percent while males comprised 48.9 percent. These figures resulted to a sex ratio of 96 males for every 100 females, higher than the sex ratio of 94 males per 100 females recorded in 2000.

Median age decreased to 16 years

In 2007, the median age of the household population in the province was 16 years, which means that half of the household population was younger than 16 years old. The median age computed in 2000 was 17 years.

Children aged 5 to 9 years comprised the largest age group, contributing 16.4 percent to the total household population, followed by age groups 0 to 4 years (16.2 percent) and 10 to 14 years (13.5 percent). These three age groups comprised 46.0 percent of the household population.


Females outnumbered males in age groups 0 to 39 years. Males, on the other hand, outnumbered females in age groups 40 years and over.

About 47.0 percent of the household population were of voting age

The voting-age population (18 years old and over) of Lanao del Sur was 533,186 in 2007, accounting for 46.9 percent of the household population. In 2000, the voting-age population was 392,692, comprising 49.2 percent of the household population. Among the voting-age population in 2007, females (51.5 percent) outnumbered males (48.5 percent) in.

Dependency ratio increased to 91 dependents per 100 persons in the working age group

More than half (52.4 percent) of the household population belonged to the working-age population (15 to 64 years). Young dependents (under 15 years) comprised 46.0 percent while old dependents (65 years and over) accounted for 1.6 percent.

The overall dependency ratio of the household population in the province in 2007 was 91, up from 84 dependents per 100 persons in the working age group in 2000. This means that for every 100 persons in the working-age population in 2007, there were 91 dependents (88 young dependents and 3 old dependents).

Females outnumbered males in all categories of marital status

Of the household population 10 years old and over, 49.9 percent were never married while 44.8 percent were married. Only 5.3 percent were in remaining marital status categories: widowed, divorced/separated, common law/live-in marital arrangement, and unknown marital status.

The proportion of females was higher compared to that of males among all marital status categories: never married (51.2 percent), married (50.3 percent), widowed (70.1 percent), divorced/separated (59.8 percent), and common law/live-in marital arrangement (50.8 percent).

Females had higher levels of education than males

About 35.0 percent of the household population 5 years old and over had attended or completed elementary education, 24.3 percent had reached or finished high school, 8.1 percent were college undergraduates, and 5.5 percent were academic degree holders.

Among those with academic degrees, there were more females (59.0 percent) than males (41.0 percent). Similarly, more females (51.0 percent) pursued post baccalaureate courses than males (49.0 percent).

More than three-fifths of the household population 5 to 24 years old attended school

Of the household population 5 to 24 years old, 60.1 percent had attended school at anytime during School Year 2007 to 2008. School attendance for males (59.3 percent of all males aged 5 to 24 years) was lower compared to that for females (60.8 percent of all females aged 5 to 24 years) during the said school year.

Occupied housing units increased by 43.1 percent

In 2007, there were 132,805 occupied housing units in Lanao del Sur. This is 43.1 percent higher than the 92,814 occupied housing units recorded in 2000. A ratio of 126 households per 100 occupied housing units was computed in 2007, slightly lower than the ratio of 127 households per 100 occupied housing units reported in 2000. Moreover, the number of persons per occupied housing unit was 8.6 persons in 2007, the same proportion reported in 2000.

Most occupied housing units had outer walls made of wood and roofs made of galvanized iron

Majority (56.4 percent) of the occupied housing units in Lanao del Sur had outer walls made of wood, while 84.0 percent had roofs made of galvanized iron in 2007. These construction materials for the outer walls and roofs of housing units were also the most commonly used materials in 2000.







  Source:  Household Statistics Department
                   National Statistics Office
                   Manila, Philippines