Zamboanga Sibugay Exceeded Half Million Population Mark in 2007 (Results from 2007 Census of Population)

Reference Number: 


Release Date: 

Wednesday, March 10, 2010

 Number of households increased by 12,765

Zamboanga Sibugay, which was created on February 22, 2001 under Republic Act No. 8973, is composed of municipalities taken from Zamboanga del Sur. The population of this province was 546,186 persons as of August 1, 2007, based on the 2007 Census of Population (POPCEN 2007). This figure was higher by 48,947 persons over the population count of 497,239 persons in 2000. The recent population count of the province resulted to an annual growth rate of 1.30 percent for the period 2000 to 2007.

The number of households in the province reached 106,708, or 12,765 households more than the 2000 census figure of 93,943 households. The average household size in 2007 was 5.1 persons, slightly lower than the average household size of 5.3 persons in 2000.

Municipality of Ipil was the most populous

Among the 16 municipalities of Zamboanga Sibugay, Ipil, the provincial capital, was the most populous with 11.1 percent share to the provincial total population. This was followed by the municipalities of Titay (8.0 percent), Kabasalan (7.4 percent), Tungawan (6.9 percent), and Naga (6.8 percent).


Males outnumbered females in the household population

Of the 545,426 household population of Zamboanga Sibugay, 51.5 percent were males and 48.5 percent were females. The sex ratio was recorded at 106 males for every 100 females, slightly higher than the sex ratio of 105 males per 100 females in 2000.

Median age increased to 19 years

In 2007, the household population of Zamboanga Sibugay had a median age of 19 years. This means that half of the household population in the province were below 19 years old. The median age computed in 2007 was one year higher than the median age of 18 years recorded in 2000.

Persons aged 10 to 14 years old contributed the highest share of 13.5 percent to the household population, followed by those in age groups 0 to 4 years (13.4 percent) and 5 to 9 years (13.3 percent).


Males outnumbered females in all age categories, except in the highest age group (80 years and over).

Majority of the voting-age population were males

More than half (52.5 percent) of the household population of Zamboanga Sibugay were in the voting age group (18 years old and over). More than half (51.9 percent) of the voting-age population were males while 48.1 percent were females.

Overall dependency ratio decreased to 77 dependents per 100 working age population

The proportion of household population in the working age group (15 to 64 years) was 56.5 percent; young dependents (0 to 14 years) accounted for 40.2 percent while old dependents (65 years and over) contributed 3.4 percent.

The overall dependency ratio in 2007 was 77, lower than the overall dependency ratio of 84 in 2000. This implies that in 2007, there were about 77 dependents (71 young dependents and 6 old dependents) for every 100 persons in the working age group. In 2000, there were about 84 dependents (78 young dependents and 6 old dependents) per 100 persons in the working age group.

More never married males than females

Nearly half (47.9 percent) of the household population 10 years old and over in 2007 were married while 45.6 percent were never married. The rest (6.5 percent) were either widowed, divorced/separated, had common law/live-in marital arrangement, or had unknown marital status. Among never-married persons, there were more males (55.7 percent) than females (44.3 percent). Females dominated the males in the rest of the categories for marital status.

In 2000, the proportion of married persons was 46.4 percent, while the proportion of never-married persons was 44.5 percent of the total household population 10 years old and over.

Females outnumbered males in higher levels of education

Of the household population 5 years old and over, 48.9 percent had attended or finished elementary education, 28.2 percent had reached or completed high school, 5.5 percent were college undergraduates, and 4.3 percent were academic degree holders.

More females than males had attained higher levels of education, as majority of those with academic degrees (56.7 percent) and those with post baccalaureate course (58.0 percent) were females.

Higher school attendance among females than among males

Among household population 5 to 24 years old, approximately three out of five (61.2 percent) had attended school at anytime during School Year 2007 to 2008. Of the total females aged 5 to 24 years, 63.2 percent had attended school at anytime during the said school year, while attendance for males was 59.4 percent of the total males aged 5 to 24 years.

Number of occupied housing units increased to 106,221

From a total of 92,353 occupied housing units in 2000, the number of occupied housing units in the province reached 106,221 in 2007, or an increase of 15.0 percent. The average number of households for every 100 occupied housing units was 100 households, or 5.1 persons per occupied housing unit. This was slightly lower than the ratio of 102 households for every 100 occupied housing units, or 5.4 persons per occupied housing unit in 2000.

Use of light materials as outer walls and roofs remained high

The proportion of occupied housing units in Zamboanga Sibugay with outer walls made of bamboo/sawali/cogon/nipa remained was 41.1 percent. Use of wood for outer walls decreased slightly from 43.6 percent in 2000 to 39.7 in 2007. Occupied housing units with outer walls made of concrete/brick/stone improved by 3.0 percentage points, from 5.1 percent in 2000 to 8.1 percent in 2007.

More than half (53.5 percent) of the occupied housing units in 2007 had roofs made of cogon/nipa/anahaw. Use of galvanized iron/aluminum for the roofs was 42.2 percent, or an increase of 6.7 percentage points from the 2000 figure of 35.5 percent.








  Source:  Household Statistics Department
                   National Statistics Office
                   Manila, Philippines