Population Pyramid

* Breakdowns of population aged 80 and above are not available in the 1966 Population By-census. For presentation purpose, the population aged 80 and above is evenly distributed to the age sub-groups concerned in the chart.

* Breakdowns of population aged 90 and above are not available in the 1971 Population Census. For presentation purpose, the population aged 90 and above is evenly distributed to the age sub-groups concerned in the chart.

* Breakdowns of population aged 75 and above are not available in the 1976 Population By-census. For presentation purpose, the population aged 75 and above is evenly distributed to the age sub-groups concerned in the chart.