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| Highlights |
| While the median age shows the aging of the population, a more detailed picture may be obtained by looking at age groups. A useful breakdown distinguishes between persons aged under 15 (children), those 15-64 (working age population) and those 65 and over (elderly). |
| In 1995, children accounted for 36.4% of the total population of Basco compared to 37.8 for Batanes. Working age population accounted for 57.3% while the proportion of persons aged 65 and over was 6.3%. A greater proportion of women than of men were aged 65 and over, 6.8% and 5.7%, respectively. The major difference between the figures for men and women in this age group was primarily because of higher male mortality. Dependency Ratio - The various dependency ratios |
| (for children, for the aged, and the total ratio) also serve as useful indicators since they provide information on the economic burden that is borne by the adult population. Basco's total dependency ratio (ratio of the sum of those aged 0-14 and those 65 and over to those 15-64) was 74.4% in 1995. A breakdown of the total dependency ratio shows that the child dependency ratio was 63.5% and the elderly was 10.9%. Sex Ratio - In 1995, Basco's sex ratio (number of males per 100 females) was 98.5% compared to 102.6 for Batanes. On the masculinity ratio of the elderly, Basco has 81.6% compared to 79% for Batanes. Marital Status - In 1995, the proportion of single people was 48.7% and constituted the largest proportion of the population. The percentage of married people and widowed persons was 44.8% and 5.5%, respectively. As of the 1995 Census, there were 20 separated/divorced people in Basco, the highest in all of Batanes. |
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| CENSUS POPULATION, BASCO, BATANES |
| 0 |
| Thousands |
| 1903 |
| 1 |
| 2 |
| 3 |
| 4 |
| 5 |
| 6 |
| 7 |
| 8 |
| 1918 |
| 1939 |
| 1948 |
| 1960 |
| 1970 |
| 1975 |
| 1980 |
| 1990 |
| 1995 |
| 2000 |
| Source: National Statistics Office |
| 2.3 |
| 2.3 |
| 2.8 |
| 3.3 |
| 2.9 |
| 3.8 |
| 4.0 |
| 4.3 |
| 5.7 |
| 5.8 |
| 6.7 |
 |
| CENSUS POPULATION, BASCO, BATANES, 2000 |
| Source: National Statistics Office |
| Chanarian 334 5% |
| Kay- valuganan 1,729 25.7% |
| San Antonio 1,447 21.5% |
| Kay- chanarianan 1,517 22.6% |
| Kay- huvokan 1,372 20.4% |
| San Joaquin 318 4.7% |
| The other municipalities: The proportion of the population who attended or completed elementary education was highest in Sabtang (45.9%) and the lowest in Basco (30.8%), while the proportion of those who reached or completed high school was highest in Itbayat (36%) and lowest in Basco (26.1%). In contrast, the proportion for those who attended or completed post-secondary education was highest in Basco (34.5%) and the lowest in Itbayat (12.4%). The proportion of bachelor's degree holders or higher was highest in Basco (14.1%) and the lowest in Itbayat (4.5%). In the other muncipalities, the proportion was 10.8% in Ivana, 10.7% in Uyugan, 8.1% in Mahatao and 5.5% in Sabtang. In Sabtang, post-graduates represented 2.7% of the population aged 5 and over, the highest of any municipality. Elsewhere, the proportion ranges from 2.1% in Ivana to 0.3% in Itbayat. |
| Bachelor's degree holders highest in Basco |
| Post-graduates highest in Sabtang |
| Educational attainment - In 1995, 31 per cent of Basco's household population aged 5 and over attended or completed elementary education. On the other hand, 26 per cent had reached or completed high school while 35 per cent had attended or graduated from university or other post-secondary institutions. Of the post-secondary graduates, 707 were university graduates with a bachelor's degree or higher. These university graduates represented 14 per cent of the population aged 5 and over. Of these, post-graduates accounted for 1 per cent. |
 |
| POPULATION BY EDUCATIONAL ATTAINMENT, BASCO, BATANES |
| Source: National Statistics Office |
| FEMALE |
| MALE |
| No Grade |
| Pre-School |
| Elementary |
| High School |
| Post-Secondary |
| College Undergraduate |
| Academic Degree Holder |
| Post-Baccalaureate |
| 31.6% |
| 23.8% |
| 7.8% |
| 16.4% |
| 2.6% |
| 6.5% |
| 1% |
| 2.5% |
| 5.4% |
| 9.8% |
| 7.4% |
| 15.5% |
| 28.5% |
| 30% |
| 1% |
| 10.1% |
| Demographic Characteristics of Basco |
| The Population - According to the 2000 Census of Population and Housing, the population of Basco was 6,717 on May 1, 2000, up 945 from the 1995 Census, representing an average annual growth of 3.1%. This compares to a growth of 3% for Batanes during the same period. |
| The Barangays - Nearly three out of four Ivasays or 69% of the population live in the town proper of Basco that comprises the barangays of Kaychanarianan, Kayhuvokan and Kayvaluganan. Median Age - In 1995, the median age in Basco was 21.7 years. Because of a higher life expectancy, the median age of Basco women was greater than that of Basco men by 1.1 years, 22.2 years and 21.1 years, respectively. Age Structure - |
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| The Municipalities |
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