Population history
Population by year
| Year | Total | Male | Female | Density |
|---|---|---|---|---|
| 1950 | 3,497,000 | 1,659,000 | 1,838,000 | 50.33 |
| 1951 | 3,541,000 | 1,677,000 | 1,863,000 | 50.96 |
| 1952 | 3,586,000 | 1,697,000 | 1,889,000 | 51.62 |
| 1953 | 3,633,000 | 1,718,000 | 1,915,000 | 52.30 |
| 1954 | 3,682,000 | 1,739,000 | 1,943,000 | 53.00 |
| 1955 | 3,734,000 | 1,762,000 | 1,971,000 | 53.74 |
| 1956 | 3,789,000 | 1,788,000 | 2,001,000 | 54.53 |
| 1957 | 3,849,000 | 1,816,000 | 2,033,000 | 55.40 |
| 1958 | 3,913,000 | 1,846,000 | 2,066,000 | 56.32 |
| 1959 | 3,981,000 | 1,879,000 | 2,102,000 | 57.30 |
| 1960 | 4,053,000 | 1,914,000 | 2,139,000 | 58.34 |
| 1961 | 4,129,000 | 1,950,000 | 2,178,000 | 59.42 |
| 1962 | 4,205,000 | 1,987,000 | 2,217,000 | 60.52 |
| 1963 | 4,282,000 | 2,025,000 | 2,257,000 | 61.63 |
| 1964 | 4,358,000 | 2,062,000 | 2,295,000 | 62.72 |
| 1965 | 4,429,000 | 2,097,000 | 2,331,000 | 63.74 |
| 1966 | 4,503,000 | 2,124,000 | 2,378,000 | 64.80 |
| 1967 | 4,582,000 | 2,146,000 | 2,436,000 | 65.95 |
| 1968 | 4,663,000 | 2,168,000 | 2,494,000 | 67.11 |
| 1969 | 4,743,000 | 2,190,000 | 2,552,000 | 68.26 |
| 1970 | 4,804,000 | 2,213,000 | 2,591,000 | 69.13 |
| 1971 | 4,843,000 | 2,233,000 | 2,609,000 | 69.70 |
| 1972 | 4,877,000 | 2,249,000 | 2,627,000 | 70.19 |
| 1973 | 4,911,000 | 2,265,000 | 2,645,000 | 70.67 |
| 1974 | 4,944,000 | 2,281,000 | 2,663,000 | 71.16 |
| 1975 | 4,979,000 | 2,298,000 | 2,681,000 | 71.66 |
| 1976 | 5,015,000 | 2,316,000 | 2,699,000 | 72.18 |
| 1977 | 5,053,000 | 2,334,000 | 2,718,000 | 72.72 |
| 1978 | 5,091,000 | 2,353,000 | 2,738,000 | 73.27 |
| 1979 | 5,128,000 | 2,371,000 | 2,756,000 | 73.80 |
| 1980 | 5,165,000 | 2,390,000 | 2,774,000 | 74.34 |
| 1981 | 5,205,000 | 2,411,000 | 2,793,000 | 74.90 |
| 1982 | 5,246,000 | 2,433,000 | 2,812,000 | 75.50 |
| 1983 | 5,290,000 | 2,456,000 | 2,833,000 | 76.13 |
| 1984 | 5,334,000 | 2,479,000 | 2,854,000 | 76.76 |
| 1985 | 5,376,000 | 2,502,000 | 2,874,000 | 77.38 |
| 1986 | 5,419,000 | 2,524,000 | 2,894,000 | 77.98 |
| 1987 | 5,461,000 | 2,546,000 | 2,914,000 | 78.59 |
| 1988 | 5,500,000 | 2,567,000 | 2,932,000 | 79.15 |
| 1989 | 5,499,000 | 2,570,000 | 2,928,000 | 79.14 |
| 1990 | 5,448,000 | 2,548,000 | 2,900,000 | 78.41 |
| 1991 | 5,379,000 | 2,512,000 | 2,866,000 | 77.41 |
| 1992 | 5,294,000 | 2,468,000 | 2,825,000 | 76.19 |
| 1993 | 5,178,000 | 2,409,000 | 2,769,000 | 74.53 |
| 1994 | 5,046,000 | 2,340,000 | 2,705,000 | 72.62 |
| 1995 | 4,925,000 | 2,278,000 | 2,646,000 | 70.88 |
| 1996 | 4,812,000 | 2,221,000 | 2,591,000 | 69.26 |
| 1997 | 4,695,000 | 2,161,000 | 2,533,000 | 67.57 |
| 1998 | 4,576,000 | 2,101,000 | 2,474,000 | 65.86 |
| 1999 | 4,455,000 | 2,041,000 | 2,414,000 | 64.12 |
| 2000 | 4,328,000 | 1,976,000 | 2,351,000 | 62.29 |
| 2001 | 4,209,000 | 1,917,000 | 2,292,000 | 60.58 |
| 2002 | 4,127,000 | 1,877,000 | 2,250,000 | 59.40 |
| 2003 | 4,085,000 | 1,860,000 | 2,224,000 | 58.79 |
| 2004 | 4,056,000 | 1,852,000 | 2,203,000 | 58.37 |
| 2005 | 4,026,000 | 1,843,000 | 2,182,000 | 57.94 |
| 2006 | 3,996,000 | 1,834,000 | 2,162,000 | 57.51 |
| 2007 | 3,967,000 | 1,824,000 | 2,143,000 | 57.10 |
| 2008 | 3,941,000 | 1,815,000 | 2,125,000 | 56.72 |
| 2009 | 3,918,000 | 1,809,000 | 2,109,000 | 56.40 |
| 2010 | 3,895,000 | 1,802,000 | 2,093,000 | 56.07 |
| 2011 | 3,868,000 | 1,793,000 | 2,074,000 | 55.67 |
| 2012 | 3,839,000 | 1,783,000 | 2,055,000 | 55.25 |
| 2013 | 3,809,000 | 1,773,000 | 2,035,000 | 54.82 |
| 2014 | 3,792,000 | 1,767,000 | 2,025,000 | 54.58 |
| 2015 | 3,791,000 | 1,766,000 | 2,024,000 | 54.56 |
| 2016 | 3,792,000 | 1,766,000 | 2,025,000 | 54.57 |
| 2017 | 3,792,000 | 1,766,000 | 2,025,000 | 54.58 |
| 2018 | 3,794,000 | 1,767,000 | 2,027,000 | 54.61 |
| 2019 | 3,796,000 | 1,768,000 | 2,028,000 | 54.64 |
| 2020 | 3,795,000 | 1,767,000 | 2,028,000 | 54.62 |
| 2021 | 3,788,000 | 1,764,000 | 2,024,000 | 54.52 |
| 2022 | 3,794,000 | 1,768,000 | 2,026,000 | 54.61 |
| 2023 | 3,807,000 | 1,774,000 | 2,033,000 | 54.79 |
| 2024 | 3,807,000 | 1,774,000 | 2,032,000 | 54.80 |
| 2025 | 3,806,000 | 1,775,000 | 2,031,000 | 54.78 |