Population history
Population by year
| Year | Total | Male | Female | Density |
|---|---|---|---|---|
| 1950 | 4,008,000 | 1,914,000 | 2,093,000 | 13.26 |
| 1951 | 4,047,000 | 1,934,000 | 2,112,000 | 13.39 |
| 1952 | 4,090,000 | 1,956,000 | 2,134,000 | 13.53 |
| 1953 | 4,139,000 | 1,981,000 | 2,158,000 | 13.69 |
| 1954 | 4,187,000 | 2,006,000 | 2,181,000 | 13.85 |
| 1955 | 4,235,000 | 2,031,000 | 2,204,000 | 14.01 |
| 1956 | 4,281,000 | 2,055,000 | 2,226,000 | 14.16 |
| 1957 | 4,324,000 | 2,077,000 | 2,246,000 | 14.30 |
| 1958 | 4,359,000 | 2,096,000 | 2,263,000 | 14.42 |
| 1959 | 4,394,000 | 2,114,000 | 2,279,000 | 14.53 |
| 1960 | 4,429,000 | 2,133,000 | 2,296,000 | 14.65 |
| 1961 | 4,460,000 | 2,150,000 | 2,310,000 | 14.75 |
| 1962 | 4,491,000 | 2,166,000 | 2,325,000 | 14.86 |
| 1963 | 4,523,000 | 2,182,000 | 2,341,000 | 14.96 |
| 1964 | 4,549,000 | 2,195,000 | 2,353,000 | 15.04 |
| 1965 | 4,564,000 | 2,204,000 | 2,360,000 | 15.09 |
| 1966 | 4,581,000 | 2,213,000 | 2,368,000 | 15.15 |
| 1967 | 4,606,000 | 2,225,000 | 2,380,000 | 15.24 |
| 1968 | 4,627,000 | 2,236,000 | 2,391,000 | 15.30 |
| 1969 | 4,624,000 | 2,234,000 | 2,389,000 | 15.29 |
| 1970 | 4,606,000 | 2,224,000 | 2,381,000 | 15.23 |
| 1971 | 4,612,000 | 2,226,000 | 2,385,000 | 15.25 |
| 1972 | 4,639,000 | 2,241,000 | 2,398,000 | 15.34 |
| 1973 | 4,665,000 | 2,255,000 | 2,410,000 | 15.43 |
| 1974 | 4,690,000 | 2,267,000 | 2,422,000 | 15.51 |
| 1975 | 4,711,000 | 2,277,000 | 2,433,000 | 15.58 |
| 1976 | 4,725,000 | 2,284,000 | 2,441,000 | 15.63 |
| 1977 | 4,738,000 | 2,290,000 | 2,447,000 | 15.67 |
| 1978 | 4,752,000 | 2,298,000 | 2,454,000 | 15.72 |
| 1979 | 4,764,000 | 2,303,000 | 2,460,000 | 15.76 |
| 1980 | 4,779,000 | 2,310,000 | 2,468,000 | 15.81 |
| 1981 | 4,799,000 | 2,321,000 | 2,478,000 | 15.87 |
| 1982 | 4,826,000 | 2,335,000 | 2,491,000 | 15.96 |
| 1983 | 4,855,000 | 2,350,000 | 2,505,000 | 16.06 |
| 1984 | 4,881,000 | 2,363,000 | 2,518,000 | 16.15 |
| 1985 | 4,902,000 | 2,373,000 | 2,528,000 | 16.21 |
| 1986 | 4,918,000 | 2,381,000 | 2,536,000 | 16.27 |
| 1987 | 4,932,000 | 2,389,000 | 2,542,000 | 16.31 |
| 1988 | 4,946,000 | 2,397,000 | 2,549,000 | 16.36 |
| 1989 | 4,964,000 | 2,407,000 | 2,557,000 | 16.42 |
| 1990 | 4,986,000 | 2,419,000 | 2,567,000 | 16.49 |
| 1991 | 5,013,000 | 2,434,000 | 2,579,000 | 16.58 |
| 1992 | 5,042,000 | 2,450,000 | 2,591,000 | 16.68 |
| 1993 | 5,066,000 | 2,463,000 | 2,602,000 | 16.76 |
| 1994 | 5,088,000 | 2,476,000 | 2,612,000 | 16.83 |
| 1995 | 5,107,000 | 2,486,000 | 2,621,000 | 16.89 |
| 1996 | 5,124,000 | 2,496,000 | 2,628,000 | 16.95 |
| 1997 | 5,139,000 | 2,504,000 | 2,634,000 | 17.00 |
| 1998 | 5,153,000 | 2,512,000 | 2,640,000 | 17.04 |
| 1999 | 5,165,000 | 2,519,000 | 2,645,000 | 17.08 |
| 2000 | 5,176,000 | 2,526,000 | 2,649,000 | 17.12 |
| 2001 | 5,187,000 | 2,533,000 | 2,654,000 | 17.16 |
| 2002 | 5,200,000 | 2,541,000 | 2,659,000 | 17.20 |
| 2003 | 5,212,000 | 2,549,000 | 2,663,000 | 17.24 |
| 2004 | 5,228,000 | 2,557,000 | 2,670,000 | 17.29 |
| 2005 | 5,246,000 | 2,567,000 | 2,678,000 | 17.35 |
| 2006 | 5,266,000 | 2,578,000 | 2,688,000 | 17.42 |
| 2007 | 5,288,000 | 2,590,000 | 2,698,000 | 17.49 |
| 2008 | 5,313,000 | 2,604,000 | 2,709,000 | 17.57 |
| 2009 | 5,338,000 | 2,618,000 | 2,720,000 | 17.66 |
| 2010 | 5,363,000 | 2,631,000 | 2,731,000 | 17.74 |
| 2011 | 5,388,000 | 2,645,000 | 2,742,000 | 17.82 |
| 2012 | 5,413,000 | 2,659,000 | 2,754,000 | 17.91 |
| 2013 | 5,439,000 | 2,673,000 | 2,765,000 | 17.99 |
| 2014 | 5,461,000 | 2,686,000 | 2,775,000 | 18.06 |
| 2015 | 5,479,000 | 2,696,000 | 2,782,000 | 18.12 |
| 2016 | 5,495,000 | 2,707,000 | 2,788,000 | 18.17 |
| 2017 | 5,508,000 | 2,715,000 | 2,792,000 | 18.22 |
| 2018 | 5,515,000 | 2,721,000 | 2,794,000 | 18.24 |
| 2019 | 5,521,000 | 2,725,000 | 2,795,000 | 18.26 |
| 2020 | 5,529,000 | 2,731,000 | 2,798,000 | 18.29 |
| 2021 | 5,541,000 | 2,738,000 | 2,802,000 | 18.33 |
| 2022 | 5,569,000 | 2,753,000 | 2,816,000 | 18.42 |
| 2023 | 5,601,000 | 2,768,000 | 2,833,000 | 18.52 |
| 2024 | 5,617,000 | 2,776,000 | 2,840,000 | 18.58 |
| 2025 | 5,623,000 | 2,780,000 | 2,842,000 | 18.60 |