Iwaki, Japan Metro Area Population 1950-2025

Chart and table of population level and growth rate for the Iwaki, Japan metro area from 1950 to 2025. United Nations population projections are also included through the year 2035.
  • The current metro area population of Iwaki in 2025 is 354,000, a 0.28% decline from 2024.
  • The metro area population of Iwaki in 2024 was 355,000, a 0.28% decline from 2023.
  • The metro area population of Iwaki in 2023 was 356,000, a 0% increase from 2022.
  • The metro area population of Iwaki in 2022 was 356,000, a 0% increase from 2021.
Data Source: United Nations - World Population Prospects

MLA Citation:
Other Cities in Japan
City Name Population
Tokyo 37,036,000
Osaka 18,922,000
Nagoya 9,535,000
Kitakyushu-Fukuoka 5,466,000
Shizuoka-Hamamatsu 2,930,000
Sapporo 2,654,000
Sendai 2,338,000
Hiroshima 2,058,000
Niigata 794,000
Kumamoto 735,000
Okayama 719,000
Kagoshima 579,000
Utsunomiya 518,000
Matsuyama 502,000
Oita 474,000
Kurashiki 470,000
Kanazawa 461,000
Fukuyama 460,000
Takamatsu 415,000
Toyama 406,000
Nagasaki 397,000
Miyazaki 395,000
Toyohashi 365,000
Nagano 364,000
Takasaki 364,000
Iwaki 354,000
Koriyama 324,000
Maebashi 323,000
Asahikawa 320,000
Kochi 320,000
Naha 318,000
Kurume 302,000
Akita 296,000
Iwaki - Historical Population Data
Year Population Growth Rate
2025 354,000 -0.28%
2024 355,000 -0.28%
2023 356,000 0.00%
2022 356,000 0.00%
2021 356,000 0.00%
2020 356,000 0.28%
2019 355,000 0.00%
2018 355,000 0.57%
2017 353,000 0.57%
2016 351,000 0.29%
2015 350,000 0.57%
2014 348,000 0.29%
2013 347,000 0.58%
2012 345,000 0.58%
2011 343,000 0.00%
2010 343,000 -0.58%
2009 345,000 -0.86%
2008 348,000 -0.57%
2007 350,000 -0.85%
2006 353,000 -0.56%
2005 355,000 -0.28%
2004 356,000 -0.28%
2003 357,000 -0.28%
2002 358,000 -0.28%
2001 359,000 -0.28%
2000 360,000 0.00%
1999 360,000 0.00%
1998 360,000 0.00%
1997 360,000 -0.28%
1996 361,000 2.27%
1995 353,000 9.63%
1994 322,000 9.15%
1993 295,000 9.67%
1992 269,000 9.35%
1991 246,000 9.33%
1990 225,000 9.22%
1989 206,000 9.57%
1988 188,000 9.30%
1987 172,000 9.55%
1986 157,000 7.53%
1985 146,000 1.39%
1984 144,000 1.41%
1983 142,000 1.43%
1982 140,000 1.45%
1981 138,000 1.47%
1980 136,000 1.49%
1979 134,000 2.29%
1978 131,000 1.55%
1977 129,000 1.57%
1976 127,000 0.79%
1975 126,000 0.80%
1974 125,000 0.81%
1973 124,000 0.81%
1972 123,000 0.82%
1971 122,000 0.83%
1970 121,000 0.83%
1969 120,000 0.84%
1968 119,000 0.85%
1967 118,000 0.85%
1966 117,000 0.86%
1965 116,000 0.87%
1964 115,000 0.88%
1963 114,000 0.00%
1962 114,000 0.88%
1961 113,000 0.89%
1960 112,000 0.90%
1959 111,000 0.91%
1958 110,000 0.92%
1957 109,000 0.93%
1956 108,000 0.00%
1955 108,000 0.93%
1954 107,000 0.94%
1953 106,000 0.95%
1952 105,000 0.96%
1951 104,000 0.00%
1950 104,000 0.00%