| 年份 | 乍得15至64岁人口占总人口比重 |
|---|---|
| 2021 | 50.32% |
| 2020 | 50.15% |
| 2019 | 50.02% |
| 2018 | 49.89% |
| 2017 | 49.75% |
| 2016 | 49.63% |
| 2015 | 49.61% |
| 2014 | 49.61% |
| 2013 | 49.46% |
| 2012 | 49.33% |
| 2011 | 49.23% |
| 2010 | 49.17% |
| 2009 | 49.18% |
| 2008 | 49.11% |
| 2007 | 49.04% |
| 2006 | 49.05% |
| 2005 | 49.03% |
| 2004 | 48.83% |
| 2003 | 48.42% |
|
|
|
| 2002 | 48.19% |
| 2001 | 48.25% |
| 2000 | 48.42% |
| 1999 | 48.52% |
| 1998 | 48.58% |
| 1997 | 48.78% |
| 1996 | 49.11% |
| 1995 | 48.95% |
| 1994 | 48.64% |
| 1993 | 49.22% |
| 1992 | 49.81% |
| 1991 | 49.57% |
| 1990 | 49.47% |
| 1989 | 49.71% |
| 1988 | 49.65% |
| 1987 | 49.50% |
| 1986 | 49.24% |
| 1985 | 49.13% |
| 1984 | 49.88% |
| 1983 | 50.60% |
|
|
|
| 1982 | 49.76% |
| 1981 | 48.79% |
| 1980 | 49.69% |
| 1979 | 50.65% |
| 1978 | 50.92% |
| 1977 | 51.31% |
| 1976 | 51.71% |
| 1975 | 52.08% |
| 1974 | 52.40% |
| 1973 | 52.69% |
| 1972 | 52.98% |
| 1971 | 53.24% |
| 1970 | 53.44% |
| 1969 | 53.61% |
| 1968 | 53.77% |
| 1967 | 53.91% |
| 1966 | 54.03% |
| 1965 | 54.13% |
| 1964 | 54.37% |
| 1963 | 54.70% |
| 1962 | 54.96% |
| 1961 | 55.20% |
| 1960 | 55.43% |
| 1959 | 55.38% |