Population history
Population by year
| Year | Total | Male | Female | Density |
|---|---|---|---|---|
| 1950 | 309,000 | 164,000 | 145,000 | 16.94 |
| 1951 | 316,000 | 167,000 | 148,000 | 17.30 |
| 1952 | 323,000 | 170,000 | 152,000 | 17.70 |
| 1953 | 331,000 | 174,000 | 156,000 | 18.13 |
| 1954 | 339,000 | 178,000 | 161,000 | 18.60 |
| 1955 | 349,000 | 182,000 | 166,000 | 19.11 |
| 1956 | 359,000 | 187,000 | 171,000 | 19.66 |
| 1957 | 369,000 | 192,000 | 177,000 | 20.25 |
| 1958 | 381,000 | 197,000 | 183,000 | 20.86 |
| 1959 | 392,000 | 203,000 | 189,000 | 21.50 |
| 1960 | 404,000 | 209,000 | 195,000 | 22.16 |
| 1961 | 417,000 | 215,000 | 201,000 | 22.85 |
| 1962 | 430,000 | 221,000 | 208,000 | 23.57 |
| 1963 | 444,000 | 228,000 | 215,000 | 24.32 |
| 1964 | 458,000 | 235,000 | 223,000 | 25.09 |
| 1965 | 472,000 | 242,000 | 230,000 | 25.87 |
| 1966 | 486,000 | 249,000 | 237,000 | 26.63 |
| 1967 | 498,000 | 254,000 | 243,000 | 27.31 |
| 1968 | 510,000 | 260,000 | 249,000 | 27.92 |
| 1969 | 520,000 | 265,000 | 255,000 | 28.51 |
| 1970 | 531,000 | 270,000 | 260,000 | 29.07 |
| 1971 | 541,000 | 275,000 | 266,000 | 29.62 |
| 1972 | 550,000 | 279,000 | 270,000 | 30.13 |
| 1973 | 559,000 | 283,000 | 275,000 | 30.61 |
| 1974 | 567,000 | 287,000 | 280,000 | 31.06 |
| 1975 | 575,000 | 291,000 | 284,000 | 31.52 |
| 1976 | 585,000 | 295,000 | 289,000 | 32.05 |
| 1977 | 597,000 | 301,000 | 296,000 | 32.72 |
| 1978 | 612,000 | 308,000 | 303,000 | 33.50 |
| 1979 | 626,000 | 316,000 | 310,000 | 34.31 |
| 1980 | 641,000 | 323,000 | 318,000 | 35.14 |
| 1981 | 657,000 | 331,000 | 326,000 | 35.99 |
| 1982 | 673,000 | 339,000 | 334,000 | 36.86 |
| 1983 | 689,000 | 347,000 | 342,000 | 37.76 |
| 1984 | 706,000 | 355,000 | 350,000 | 38.68 |
| 1985 | 723,000 | 364,000 | 359,000 | 39.62 |
| 1986 | 739,000 | 372,000 | 366,000 | 40.47 |
| 1987 | 750,000 | 377,000 | 372,000 | 41.08 |
| 1988 | 758,000 | 382,000 | 376,000 | 41.53 |
| 1989 | 766,000 | 386,000 | 380,000 | 41.94 |
| 1990 | 773,000 | 389,000 | 383,000 | 42.33 |
| 1991 | 779,000 | 392,000 | 386,000 | 42.67 |
| 1992 | 785,000 | 395,000 | 389,000 | 42.99 |
| 1993 | 790,000 | 398,000 | 391,000 | 43.26 |
| 1994 | 794,000 | 400,000 | 394,000 | 43.50 |
| 1995 | 798,000 | 402,000 | 395,000 | 43.72 |
| 1996 | 803,000 | 405,000 | 398,000 | 44.00 |
| 1997 | 812,000 | 409,000 | 402,000 | 44.45 |
| 1998 | 822,000 | 415,000 | 407,000 | 45.01 |
| 1999 | 831,000 | 419,000 | 411,000 | 45.53 |
| 2000 | 840,000 | 424,000 | 416,000 | 46.03 |
| 2001 | 849,000 | 429,000 | 420,000 | 46.50 |
| 2002 | 858,000 | 433,000 | 424,000 | 46.97 |
| 2003 | 866,000 | 437,000 | 428,000 | 47.42 |
| 2004 | 874,000 | 442,000 | 432,000 | 47.86 |
| 2005 | 882,000 | 446,000 | 435,000 | 48.30 |
| 2006 | 890,000 | 450,000 | 439,000 | 48.73 |
| 2007 | 897,000 | 454,000 | 443,000 | 49.14 |
| 2008 | 903,000 | 457,000 | 446,000 | 49.45 |
| 2009 | 907,000 | 458,000 | 448,000 | 49.66 |
| 2010 | 910,000 | 459,000 | 451,000 | 49.83 |
| 2011 | 912,000 | 460,000 | 452,000 | 49.97 |
| 2012 | 914,000 | 460,000 | 454,000 | 50.08 |
| 2013 | 916,000 | 460,000 | 456,000 | 50.16 |
| 2014 | 917,000 | 460,000 | 457,000 | 50.22 |
| 2015 | 918,000 | 459,000 | 458,000 | 50.28 |
| 2016 | 919,000 | 459,000 | 459,000 | 50.31 |
| 2017 | 918,000 | 458,000 | 460,000 | 50.29 |
| 2018 | 917,000 | 457,000 | 460,000 | 50.20 |
| 2019 | 914,000 | 455,000 | 459,000 | 50.08 |
| 2020 | 914,000 | 454,000 | 460,000 | 50.08 |
| 2021 | 916,000 | 455,000 | 461,000 | 50.18 |
| 2022 | 919,000 | 456,000 | 463,000 | 50.32 |
| 2023 | 924,000 | 458,000 | 465,000 | 50.58 |
| 2024 | 928,000 | 460,000 | 467,000 | 50.84 |
| 2025 | 933,000 | 463,000 | 470,000 | 51.08 |