Oslo Population 2021

1,056,180
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Oslo's 2021 population is now estimated at 1,056,180. In 1950, the population of Oslo was 468,183. Oslo has grown by 14,803 since 2015, which represents a 1.42% annual change. These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Oslo, which typically includes Oslo's population in addition to adjacent suburban areas.

Oslo is the largest city and is the capital of Norway. Additionally, it is both a municipality and a county. Oslo is the governmental and economic center of the country and a center for trade, industry, shipping, and finance. Oslo is a global city that has been ranked first in terms of quality of life among European cities but also the second-most expensive city in the world following Tokyo. In 2015, Oslo had a population of 648,000. The population in 2018 is up to 673,469.

Oslo Population Density and City Size

The city proper has a population density of 1,400 people per square kilometer (3,700/square mile). The urban are has a population of 952,000 with an even higher density of 3,300 people per square kilometer (8,500/square mile). The Oslo metropolitan area has a population of 1.5 million. The total surface area that Oslo occupies comes to a total of 480.76 kilometers squared (185.62 square miles)

Name Changes of Oslo

Oslo has been known by many names over its long history, which dates back to about 1000 AD. In 1624, the city was destroyed by a fire and moved closer to Akershus Castle and renamed Christiania for King Christian IV. It was later called Kristiania due to a spelling reform before its original Norwegian name was returned in 1925.

Oslo Population Demographics

70% of Oslo's population are ethnically Norwegian according to the census. Still, the city has a large immigrant population with many Norwegians born to immigrant parents. Of the 648,000 people in Oslo, 190,000 were born to immigrants or immigrants themselves, or nearly 30% of the population.

Norway's national average immigrant population is 14%, a proportion exceeded in all Oslo suburbs. The suburbs of Sondre Nordstrand and Stovner og Alna have the highest immigrant population in Oslo at 50%.

The largest ethnic minority in Oslo is Pakistanis, followed by immigrants from Sweden, Somalia, and Poland. There are also sizable communities of people from Iraq, Iran, Vietnam, Turkey, Morocco, the Philippines, and Sri Lanka. The western part of Oslo is mostly ethnic Norwegian with fewer than 5% immigrants while in the eastern part, up to 97% of children in school are immigrants. 40% of children in primary school in the city speak a first language that is not Norwegian or Sami.

About 63% of people in Oslo belong to the Church of Norway, far lower than the national average membership of 82%. Muslims account for about 8% of the population followed by Roman Catholics.

Oslo Population Growth

Oslo is growing at a record rate and it's now the fastest-growing major city in all of Europe. Oslo's growth is attributed to high birth rates, intra-national migration, and international migration. The immigrant population is growing faster than the native Norwegian population and it now accounts for more than 25% of Oslo's population.

Oslo Population 2021

Year Population Growth Rate (%) Growth
20351,252,2961.02%12,691
20341,239,6051.05%12,922
20331,226,6831.08%13,155
20321,213,5281.11%13,377
20311,200,1511.15%13,600
20301,186,5511.18%13,823
20291,172,7281.21%14,025
20281,158,7031.24%14,210
20271,144,4931.27%14,379
20261,130,1141.30%14,530
20251,115,5841.34%14,716
20241,100,8681.37%14,876
20231,085,9921.39%14,930
20221,071,0621.41%14,882
20211,056,1801.42%14,803
20201,041,3771.42%14,619
20191,026,7581.44%14,533
20181,012,2251.48%14,774
2017997,4511.48%14,557
2016982,8941.48%14,345
2015968,5491.48%14,116
2014954,4331.48%13,911
2013940,5221.48%13,689
2012926,8331.48%13,527
2011913,3061.71%15,390
2010897,9161.95%17,136
2009880,7801.94%16,786
2008863,9941.95%16,512
2007847,4821.82%15,138
2006832,3441.69%13,866
2005818,4781.43%11,527
2004806,9511.17%9,352
2003797,5991.17%9,232
2002788,3671.01%7,913
2001780,4540.86%6,643
2000773,8110.86%6,604
1999767,2071.10%8,344
1998758,8631.34%10,005
1997748,8581.33%9,860
1996738,9981.34%9,756
1995729,2421.34%9,614
1994719,6281.34%9,488
1993710,1401.33%9,350
1992700,7901.34%9,251
1991691,5391.10%7,512
1990684,0270.64%4,370
1989679,6570.64%4,335
1988675,3220.64%4,320
1987671,0020.64%4,287
1986666,7150.64%4,259
1985662,4560.64%4,226
1984658,2300.64%4,211
1983654,0190.64%4,178
1982649,8410.64%4,151
1981645,6900.41%2,654
1980643,036-0.04%-246
1979643,282-0.04%-246
1978643,528-0.04%-246
1977643,774-0.04%-245
1976644,019-0.04%-246
1975644,265-0.04%-246
1974644,511-0.04%-246
1973644,757-0.04%-246
1972645,003-0.04%-247
1971645,2500.33%2,113
1970643,1371.05%6,707
1969636,4301.05%6,628
1968629,8021.06%6,578
1967623,2241.05%6,499
1966616,7251.05%6,432
1965610,2931.05%6,356
1964603,9371.06%6,307
1963597,6301.05%6,232
1962591,3981.05%6,168
1961585,2301.24%7,186
1960578,0441.62%9,242
1959568,8021.62%9,082
1958559,7201.62%8,937
1957550,7831.62%8,782
1956542,0011.62%8,666
1955533,3351.62%8,515
1954524,8201.62%8,380
1953516,4401.62%8,234
1952508,2061.62%8,126
1951500,0806.81%31,897
1950468,1830.00%

Oslo Population Data (Urban Area)

Other Cities in Norway

  1. Statistics Norway - Population and population changes - 2016
  2. City of Oslo - Oslo information and statistics
  3. World Urbanization Prospects - United Nations population estimates and projections of major Urban Agglomerations

Sources