Zambales: Dependency Ratio Down by Five Persons (Results from the 2000 Census of Population and Housing, NSO)

Reference Number: 

2002-061

Release Date: 

Wednesday, May 29, 2002

 

Annual population growth rate up by 2.32%

The province of Zambales registered a total population of 433,542 persons in the year 2000, up from 389,512 persons in 1995. This figure gave the province an average annual growth rate of 2.32 percent, an increase of 1.34 percentage points from the 1990 to 1995 period. The number of households was registered at 91,613, an increase of 10,695 households over the 1995 figure. This gave an average household size of 4.7 persons, a slight decrease from 1995 (4.8) and lower than the national average (five persons).

Subic was the largest municipality in terms of population size

Among the thirteen municipalities in Zambales, Subic, which comprised 14 percent of the total provincial population, was the largest in terms of population size. Next were Sta. Cruz (11 percent), Botolan (11 percent), Masinloc (9 percent). Iba, the provincial capital and Castillejos comprised 8 percent of the total population each. The rest of the municipalities had less than six percent share each.

Zambales ranked sixth in Region 3

Among the six provinces (Bataan, Bulacan, Nueve Ecija, Pampanga, Tarlac, Zambales), and two highly urbanized cities (Angeles City and Olongapo City) in Region 3, Zambales ranked sixth in terms of population size. This province contributed 5.4 percent to the 8 million population of the region. At the national level, Zambales shared 0.57 percent to the Philippine population of 76.5 million as recorded in the Census 2000.

Median age was 23 years

Zambales, had a median age of 23 years. This meant that in 2000 half of the population were below 23 years old. The median age in 1995 was 22 years

Male population outnumbered their female counterparts with a sex ratio of 102 males for every 100 females. There were more males than females in the age bracket 0 to 54 years. On the other hand, there were more females than males in the age group 55 years and over.

The overall dependency ratio in 2000 was 66

In 2000, the 0 to 14 age group made up about 35 percent of the total population while the population aged 65 years and above comprised 4.4 percent. The economically active population aged 15 to 64, thus made up 60 percent of the total population in Zambales.

The overall dependency ratio in 2000 was 66. This meant that for every 100 persons aged 15 to 64 years, there were about 66 dependents (59 persons aged 0 to 14 years - young dependents; and 7 persons aged 65 years old and over - old dependents). The 2000 ratio was lower by five persons than the ratio reported in 1995 (71.33).

Most were Tagalog

Most (37.84 percent) of the household population in Zambales classified themselves as Tagalog. About 27.5 percent considered themselves as Ilocano and 27.0 percent as Sambal/Zambal. Other ethnic groups included Aeta/Ayta (1.8 percent) and Cebuano (1.1 percent).

Lower proportion of married persons in 2000

Most (46.1 percent) of those who were 10 years old and over were married, lower by 2 percentage points compared to the 1995 figure of 48.1 percent. The proportion of single on the other hand, was 41.8 percent. The remaining twelve percent were either widowed, divorced/separated, with other type of arrangement or with unknown marital status.

Housing unit occupancy rate was almost 100%

There were 90,079 housing units in Zambales, of which 90,057 were occupied, or almost a hundred percent occupancy rate. This registered a ratio of 1.02 household per occupied housing units or a ratio of 4.81 persons per occupied housing units. Majority of occupied housing units were single houses (94.2 percent). Duplex and multi-unit residential houses accounted for only 3.02 percent and 1.41 percent, respectively.

 

 

  (Sgd.) CARMELITA N. ERICTA
Administrator

 

 

ZAMBALES

Zambales is located at the western coast of Central Luzon. It has common boundaries with the province of Pangasinan on the north, provinces of Tarlac and Pampanga on the east, and the province of Bataan on the south. The China Sea lies on the west. The terrain is irregular as the whole Zambales Mountain Range traverses the whole length of the province. The mountains occupy the eastern and central portions while the coastal plains lie along the west. It is dry from November to April, and wet from May to October. The mountains offer some protection from the storms coming in from the east but it is vulnerable to the southwest monsoons and tropical cyclones.

The province of Zambales was first administered as part of the province of Pangasinan. Although it lay along important sea routes between Manila, Ilocos and China, it remained sparsely settled. In the late 18th century, Zambales was constituted as a separate province covering an area from Subic up to Alaminos.

 

Table 1. Total Population Distribution by Municipality and Sex : Zambales, 2000

Municipalities Total Population Percent Male Female
Zambales 433,542 100.00 219,144 214,398
     Botolan 46,602 10.72 23,557 23,045
     Cabangan 18,848 4.35 9,521 9,327
     Candelaria 23,399 5.40 12,060 11,339
     Castillejos 33,108 7.64 16,669 16,439
     Iba (Capital) 34,678 8.00 17,421 17,257
     Masinloc 39,724 9.16 20,263 19,461
     Palawig 29,983 6.92 15,298 14,685
     San Antonio 28248 6.52 14,116 14,132
     San Felipe 17,702 4.08 8,881 8,821
     San MArcelino 25,440 5.87 12,778 12,662
     San Narciso 23,522 5.43 11,841 11,681
     Sta. Cruz 49,269 11.36 25,082 24,187
     Subic 63,019 14.54 31,657 31,362

Source: NSO, 2000 Census of Population and Housing

 

Table 2. Total Population by Age Group, Sex and Sex Ratio: Zambales, 2000

Age Group Total Population Male Female Sex Ratio
Zambales 433,542 219,144 214,398 102.2
     Under 1 10,587 5,346 5,241 102.0
     1 to 4 41,759 21,406 20,353 105.2
     5 to 9 51,529 26,431 25,098 105.3
     10 to 14 49,761 25,485 24,276 105.0
     15 to 19 43,744 21,975 21,769 100.9
     20 to 24 37,244 18,971 18,273 103.8
     25 to 29 33,098 16,951 16,147 105.0
     30 to 34 32,873 16,798 16,075 104.5
     35 to 39 28,674 14,777 13,897 106.3
     40 to 44 25,492 13,095 12,397 105.6
     45 to 49 20,652 10,446 10,206 102.4
     50 to 54 17,269 8,686 8,583 101.2
     55 to 59 11,425 5,568 5,857 95.1
     60 to 64 10,185 4,856 5,329 91.1
     65 to 69 6,998 3,286 3,712 88.5
     70 to 74 5,171 2,243 2,928 76.6
     75 to 79 3,441 1,445 1,996 72.4
     80 & Over 3,640 1,379 2,261 61.0

Source: NSO, 2000 Census of Population and Housing

 

Table 3. Household Population 5 Years Old and Over by Highest Educational Attainment and Sex: Zambales, 2000

Highest Educational Attainment Household Population
5 Years Old & Over
Male Female
Zambales 380,571 192,034 188,537
     No Grade Completed 16,189 8,365 7,824
     Pre-School 8,555 4,309 4,246
     Elementary 147,848 72,484 75,364
     High School 130,944 68,561 62,383
     Post Secondary 23,631 13,259 10,372
     College Undergraduate 30,850 15,188 15,662
     Academic Degree Holder 13,414 5,473 7,941
     Post Baccalaureate 1,762 704 1,058
     Not Stated 7,378 3,691 3,687

Source: NSO, 2000 Census of Population and Housing

 

Table 4. Total Population 10 Years Old and Over by Age Group and Marital Status: Zambales, 2000

Age Group Total Population
10 Yrs Old & Over
Single Married Widowed Divorced/
Separated
Others Unknown
Zambales 329,667 137,898 151,921 15,019 3,802 19,237 1,790
     Below 20 93,505 88,719 2,337 75 89 1,363 922
     20 - 24 37,244 23,407 10,158 60 205 3,098 316
     25 - 29 33,098 10,892 18,283 138 355 3,258 172
     30 - 34 32,873 5,855 23,099 262 496 3,057 104
     35 - 39 28,674 3,047 22,109 415 492 2,565 46
     40 - 44 25,492 1,917 20,168 704 602 2,058 43
     45 - 49 20,652 1,262 16,363 1,010 518 1,470 29
     50 - 54 17,269 969 13,441 1,482 348 983 46
     55 - 59 11,425 535 8,593 1,478 286 505 28
     60 - 64 10,185 469 7,109 2,010 188 389 20
     65 - 69 6,998 289 4,539 1,825 112 213 20
     70 - 74 5,171 250 2,840 1,857 55 155 14
     75 - 79 3,441 133 1,656 1,547 29 65 11
     80 & Over 3,640 154 1,226 2,156 27 58 19

Source: NSO, 2000 Census of Population and Housing

 

Table 5. Household Population by Ethnicity and Sex: Zambales, 2000

Ethnicity Both Sexes Male Female
Zambales 432,877 218,764 214,113
     Tagalog 163,816 81,741 82,075
     Ilocano 118,889 60,430 58,459
     Sambal/Zambal 116,901 59,984 56,917
     Aeta/Ayta 7,647 3,893 3,754
     Cebuano 4,704 2,361 2,343
     Others 331 255 76
     Other Foreign Ethnicity 18,232 8,885 9,347
     Not Reported 2,357 1,215 1,142

Source: NSO, 2000 Census of Population and Housing

 

Table 6. Total Occupied Housing Units, Households, Household Population and Ratio of Households and Household Population to Occupied Housing Unit by Type of Building: Zambales, 2000

Type of Building Occupied Housing Unit Household Household Population Ratio of Household & Household Population
Household to
Occupied
Housing Unit
Household
Population to
Occupied
Housing Unit
Zambales 90,057 91,613 432,877 1.02 4.81
     Single House 84,853 86,206 407,942 1.02 4.81
     Duplex 2,716 2,840 12,740 1.05 4.69
     Multi-Unit Residential 1,268 1,318 5,675 1.04 4.48
     Commercial/Industrial/Agriculture 126 132 539 1.05 4.28
     Institutional Living Quarters 29 29 104 1.00 3.59
     Other Housing Units 26 26 106 1.00 4.08
     Not Reported 1,039 1,063 5,771 1.02 5.55

Source: NSO, 2000 Census of Population and Housing

 

TECHNICAL NOTES

Average Household Size - average number of people who live in the household

Growth Rate - the rate at which the population is increasing (or decreasing) in a given year due to natural increase and net migration, expressed as a percentage of the base population

Median Age - the age at which exactly half of the population is young and half is old

Sex Ratio - the ratio of males to females in a given population expressed as the number of males per 100 females

Age-Dependency Ratio - the ratio of persons in the "dependent" ages (under 15 years and over 64 years) to those in the "economically productive" ages (15 to 64 years old) in the population

Household - a social unit consisting of a person or a group of persons who sleep in the same housing unit and have common arrangements in the preparation and consumption of food

The 2000 Census of Population and Housing (Census 2000) was undertaken by the National Statistics Office (NSO) in May 2000, as mandated by Commonwealth Act No. 591, Batas Pambansa Blg. 72 and Executive Order No. 121. It was the 11th census of population and 5th census of housing undertaken in this country since the first census in 1903. It was designed to take an inventory of the total population and housing units all over the Philippines and to collect information about their characteristics. Census day for the Census 2000 was May 1, 2000 (12:01 a.m.). Enumeration started on May 1, 2000 and lasted for about 30 days.


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