Chad - Population pyramid
| Date | 0-14 years % | 15-64 years % | > 64 years % |
|---|---|---|---|
| 1974 | 43.79% | 52.40% | 3.80% |
| 1973 | 43.48% | 52.69% | 3.83% |
| 1972 | 43.16% | 52.98% | 3.86% |
| 1971 | 42.88% | 53.24% | 3.88% |
| 1970 | 42.66% | 53.44% | 3.90% |
| 1969 | 42.47% | 53.61% | 3.92% |
| 1968 | 42.30% | 53.77% | 3.93% |
| 1967 | 42.14% | 53.91% | 3.95% |
| 1966 | 42.01% | 54.03% | 3.96% |
| 1965 | 41.90% | 54.13% | 3.97% |
| 1964 | 41.65% | 54.37% | 3.98% |
| 1963 | 41.32% | 54.70% | 3.98% |
| 1962 | 41.06% | 54.96% | 3.98% |
| 1961 | 40.81% | 55.20% | 3.98% |
| 1960 | 40.58% | 55.43% | 4.00% |