Tonga - Pirâmide etária
| Data | 0-14 anos % | 15-64 anos % | > 64 anos % |
|---|---|---|---|
| 1976 | 45,77% | 50,99% | 3,24% |
| 1975 | 46,13% | 50,69% | 3,18% |
| 1974 | 46,47% | 50,40% | 3,13% |
| 1973 | 46,81% | 50,10% | 3,10% |
| 1972 | 47,09% | 49,82% | 3,08% |
| 1971 | 47,29% | 49,64% | 3,07% |
| 1970 | 47,38% | 49,55% | 3,06% |
| 1969 | 47,37% | 49,57% | 3,06% |
| 1968 | 47,25% | 49,69% | 3,06% |
| 1967 | 47,03% | 49,89% | 3,08% |
| 1966 | 46,92% | 50,01% | 3,07% |
| 1965 | 46,93% | 50,03% | 3,05% |
| 1964 | 46,88% | 50,08% | 3,04% |
| 1963 | 46,80% | 50,16% | 3,04% |
| 1962 | 46,67% | 50,28% | 3,05% |
| 1961 | 46,53% | 50,40% | 3,06% |
| 1960 | 46,40% | 50,50% | 3,09% |