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Population in Slovenia compared to the United Kingdom: Trends, Charts, Rankings

Updated on by Georank team

The latest officially reported population of Slovenia was 2,127,400 in 2024 vs 69,226,000 people in the United Kingdom in 2024. In 2026, based on the adjusted UN estimation, the current Slovenia's population is 2,124,138 people compared to 70,154,914 in the United Kingdom.

Population statistics:

  • The United Kingdom's population is 33 times bigger than Slovenia's.
  • Slovenia is ranked the 147th most populous country in the world, while the United Kingdom is the 22nd.
  • The countries together account for 0.87% of the world: 0.03% for Slovenia vs 0.85% for the United Kingdom.
  • For the last 10 years, Slovenia has had an average growth rate of +0.29% per year vs +0.7% in the United Kingdom.
  • Since 2006, the population of Slovenia has increased from 2.01M people to 2.12M (5.84% growth), while the United Kingdom has grown from 60.8M to 70.2M (15.3% growth).

Slovenia vs United Kingdom: population by year and forecast

Slovenia
Factual

Projection
United Kingdom
Factual

Projection
1x
Year Population
Slovenia United Kingdom
2100 1,640,541 74,700,585
2099 1,644,752 74,831,175
2098 1,648,834 74,950,267
2097 1,653,196 75,064,397
2096 1,657,434 75,176,691
2095 1,661,656 75,287,063
2094 1,665,825 75,383,856
2093 1,670,076 75,482,205
2092 1,674,280 75,575,769
2091 1,678,462 75,666,091
2090 1,682,998 75,753,129
2089 1,687,376 75,835,723
2088 1,691,788 75,907,614
2087 1,696,409 75,978,712
2086 1,701,325 76,046,742
2085 1,706,189 76,105,680
2084 1,711,157 76,156,223
2083 1,716,396 76,205,894
2082 1,721,709 76,246,844
2081 1,727,302 76,274,040
2080 1,733,405 76,306,205
2079 1,739,518 76,334,949
2078 1,746,152 76,353,484
2077 1,752,783 76,371,123
2076 1,759,639 76,373,520
2075 1,766,867 76,386,071
2074 1,774,528 76,397,426
2073 1,782,697 76,406,554
2072 1,790,658 76,398,941
2071 1,798,960 76,388,223
2070 1,807,483 76,378,505
2069 1,816,607 76,371,827
2068 1,825,849 76,370,973
2067 1,834,865 76,363,548
2066 1,844,034 76,356,638
2065 1,853,651 76,355,841
2064 1,863,550 76,352,770
2063 1,873,173 76,353,175
2062 1,882,832 76,346,535
2061 1,892,739 76,344,206
2060 1,902,939 76,344,725
2059 1,912,861 76,345,215
2058 1,922,175 76,326,961
2057 1,932,119 76,307,006
2056 1,941,469 76,274,247
2055 1,950,861 76,235,304
2054 1,959,953 76,167,710
2053 1,968,641 76,094,051
2052 1,977,227 76,001,979
2051 1,985,279 75,895,690
2050 1,993,115 75,777,445
2049 2,000,477 75,646,044
2048 2,007,283 75,499,380
2047 2,014,140 75,338,951
2046 2,020,756 75,171,300
2045 2,027,366 74,993,186
2044 2,033,871 74,807,530
2043 2,040,173 74,607,485
2042 2,046,339 74,407,783
2041 2,052,041 74,203,292
2040 2,057,278 73,994,525
2039 2,062,718 73,782,112
2038 2,067,922 73,559,085
2037 2,073,705 73,335,723
2036 2,079,201 73,101,646
2035 2,084,471 72,850,722
2034 2,089,430 72,597,177
2033 2,094,601 72,322,802
2032 2,099,622 72,046,316
2031 2,104,690 71,757,868
2030 2,109,416 71,442,811
2029 2,113,874 71,123,782
2028 2,118,053 70,783,199
2027 2,121,324 70,421,923
2026 2,124,138 70,055,911
2025 2,126,340 69,658,188
2024 2,127,400 69,226,000
2023 2,120,461 68,492,000
2022 2,112,076 67,604,000
2021 2,108,079 66,984,000
2020 2,102,419 66,744,000
2019 2,088,385 66,631,000
2018 2,073,894 66,289,000
2017 2,066,388 65,966,000
2016 2,065,042 65,607,000
2015 2,063,531 65,088,000
2014 2,061,980 64,620,000
2013 2,059,953 64,139,000
2012 2,057,159 63,711,000
2011 2,052,843 63,258,810
2010 2,048,583 62,766,365
2009 2,039,669 62,276,270
2008 2,021,316 61,806,995
2007 2,018,122 61,322,463
2006 2,006,868 60,846,820
2005 2,000,474 60,401,206
2004 1,997,012 59,987,905
2003 1,995,733 59,647,577
2002 1,994,530 59,370,479
2001 1,992,060 59,119,673
2000 1,988,925 58,892,514
1999 1,983,045 58,682,466
1998 1,981,629 58,487,141
1997 1,985,956 58,316,954
1996 1,988,628 58,166,950
1995 1,989,872 58,019,030
1994 1,989,443 57,865,745
1993 1,991,746 57,718,614
1992 1,996,498 57,580,402
1991 1,999,429 57,424,897
1990 1,998,161 57,247,586
1989 1,996,351 57,076,711
1988 1,995,196 56,928,327
1987 1,989,776 56,802,050
1986 1,965,964 56,681,396
1985 1,941,641 56,550,268
1984 1,932,154 56,422,072
1983 1,922,321 56,332,848
1982 1,910,334 56,313,641
1981 1,906,531 56,333,829
1980 1,901,315 56,314,216
1979 1,882,599 56,246,951
1978 1,862,548 56,196,504
1977 1,842,377 56,193,492
1976 1,820,249 56,211,968
1975 1,793,581 56,225,800
1974 1,776,132 56,229,974
1973 1,766,697 56,194,527
1972 1,752,233 56,086,065
1971 1,738,335 55,896,223
1970 1,724,891 55,663,250
1969 1,713,874 55,441,750
1968 1,704,546 55,211,700
1967 1,689,528 54,943,600
1966 1,669,905 54,648,500
1965 1,649,160 54,348,050
1964 1,632,114 54,000,000
1963 1,616,971 53,650,000
1962 1,603,649 53,250,000
1961 1,594,131 52,800,000
1960 1,584,720 52,400,000

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1960–2024, retrieved 2026-04-06).

GeoRank.org/population/slovenia/united-kingdom | CC BY

From 2006 to 2016, the population of Slovenia increased by 58,174 people (a 2.9% growth), while the United Kingdom gained 4,760,180 people (a 7.82% growth).

For the next 10 years, from 2016 to 2026, Slovenia gained 59,096 people (a 2.86% growth), while the United Kingdom's population increased by 4,547,914 people (a 6.93% growth).

Slovenia was ranked 141st most populous country in 2006 and is 147th in 2026. The United Kingdom was ranked 21st in 2006 and ranked 22nd now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Slovenia's population will shrink by 6.17% to 1,993,115 people and will still be ranked 147th. The population of the United Kingdom will increase by 8.01% to 75,777,445 people and rank change from 22nd to 26th.

The United Kingdom is projected to reach its peak in 2073 at 76.4M people, while Slovenia's population already peaked in 2024 at 2.13M people and is projected to decrease to 1.64M people by 2100.

Population growth rate by year

Slovenia
Factual

Projection
United Kingdom
Factual

Projection
1x
Year Growth rate
Slovenia United Kingdom
2100 -0.26% -0.17%
2099 -0.25% -0.16%
2098 -0.26% -0.15%
2097 -0.26% -0.15%
2096 -0.25% -0.15%
2095 -0.25% -0.13%
2094 -0.25% -0.13%
2093 -0.25% -0.12%
2092 -0.25% -0.12%
2091 -0.27% -0.11%
2090 -0.26% -0.11%
2089 -0.26% -0.09%
2088 -0.27% -0.09%
2087 -0.29% -0.09%
2086 -0.29% -0.08%
2085 -0.29% -0.07%
2084 -0.31% -0.07%
2083 -0.31% -0.05%
2082 -0.32% -0.04%
2081 -0.35% -0.04%
2080 -0.35% -0.04%
2079 -0.38% -0.02%
2078 -0.38% -0.02%
2077 -0.39% -0.003%
2076 -0.41% -0.02%
2075 -0.43% -0.01%
2074 -0.46% -0.01%
2073 -0.44% 0.01%
2072 -0.46% 0.01%
2071 -0.47% 0.01%
2070 -0.5% 0.009%
2069 -0.51% 0.001%
2068 -0.49% 0.01%
2067 -0.5% 0.009%
2066 -0.52% 0.001%
2065 -0.53% 0.004%
2064 -0.51% -0%
2063 -0.51% 0.009%
2062 -0.52% 0.003%
2061 -0.54% -0.001%
2060 -0.52% -0.001%
2059 -0.48% 0.02%
2058 -0.51% 0.03%
2057 -0.48% 0.04%
2056 -0.48% 0.05%
2055 -0.46% 0.09%
2054 -0.44% 0.1%
2053 -0.43% 0.12%
2052 -0.41% 0.14%
2051 -0.39% 0.16%
2050 -0.37% 0.17%
2049 -0.34% 0.19%
2048 -0.34% 0.21%
2047 -0.33% 0.22%
2046 -0.33% 0.24%
2045 -0.32% 0.25%
2044 -0.31% 0.27%
2043 -0.3% 0.27%
2042 -0.28% 0.28%
2041 -0.25% 0.28%
2040 -0.26% 0.29%
2039 -0.25% 0.3%
2038 -0.28% 0.3%
2037 -0.26% 0.32%
2036 -0.25% 0.34%
2035 -0.24% 0.35%
2034 -0.25% 0.38%
2033 -0.24% 0.38%
2032 -0.24% 0.4%
2031 -0.22% 0.44%
2030 -0.21% 0.45%
2029 -0.2% 0.48%
2028 -0.15% 0.51%
2027 -0.13% 0.52%
2026 -0.1% 0.57%
2025 -0.05% 0.62%
2024 0.33% 1.07%
2023 0.4% 1.31%
2022 0.19% 0.93%
2021 0.27% 0.36%
2020 0.67% 0.17%
2019 0.7% 0.52%
2018 0.36% 0.49%
2017 0.07% 0.55%
2016 0.07% 0.8%
2015 0.08% 0.72%
2014 0.1% 0.75%
2013 0.14% 0.67%
2012 0.21% 0.71%
2011 0.21% 0.78%
2010 0.44% 0.79%
2009 0.91% 0.76%
2008 0.16% 0.79%
2007 0.56% 0.78%
2006 0.32% 0.74%
2005 0.17% 0.69%
2004 0.06% 0.57%
2003 0.06% 0.47%
2002 0.12% 0.42%
2001 0.16% 0.39%
2000 0.3% 0.36%
1999 0.07% 0.33%
1998 -0.22% 0.29%
1997 -0.13% 0.26%
1996 -0.06% 0.25%
1995 0.02% 0.26%
1994 -0.12% 0.25%
1993 -0.24% 0.24%
1992 -0.15% 0.27%
1991 0.06% 0.31%
1990 0.09% 0.3%
1989 0.06% 0.26%
1988 0.27% 0.22%
1987 1.21% 0.21%
1986 1.25% 0.23%
1985 0.49% 0.23%
1984 0.51% 0.16%
1983 0.63% 0.03%
1982 0.2% -0.04%
1981 0.27% 0.03%
1980 0.99% 0.12%
1979 1.08% 0.09%
1978 1.09% 0.005%
1977 1.22% -0.03%
1976 1.49% -0.02%
1975 0.98% -0.007%
1974 0.53% 0.06%
1973 0.83% 0.19%
1972 0.8% 0.34%
1971 0.78% 0.42%
1970 0.64% 0.4%
1969 0.55% 0.42%
1968 0.89% 0.49%
1967 1.18% 0.54%
1966 1.26% 0.55%
1965 1.04% 0.64%
1964 0.94% 0.65%
1963 0.83% 0.75%
1962 0.6% 0.85%
1961 0.59% 0.76%

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1961–2024, retrieved 2026-04-06).

GeoRank.org/population/slovenia/united-kingdom | CC BY

In 2024, the population of Slovenia grew by 0.33%, while the United Kingdom's population grew by 1.07%.

Live population counters

Slovenia United Kingdom
Current population
2124138
70154914
Population rank 147/197 22/197
Percent of world population 0.03% 0.85%
One net population change
1.26 hours
43 seconds
One birth every
31 minutes
45.9 seconds
One death every
24.3 minutes
48.4 seconds
Daily growth/decline +19 +2,011
Annual growth/decline +6,939 +734,000
Annual growth/decline rate +0.33% +1.07%
Population growth rate rank 148/197 97/197
One migration net change every
3.24 hours
1.35 minutes
Annual migration change +2,711 +389,911
Net migration rank 55/196 4/196
Foreign-born residents 315,122 11,845,479
Foreign-born residents rank 97/195 4/195
Foreign-born share of population 14.9% 17.1%
Foreign-born share rank 44/195 36/195

Natural population change vs migration

Slovenia
Natural

Migration
United Kingdom
Natural

Migration
1x
Year Population change
Slovenia United Kingdom
Natural Migration Natural Migration
2025 - 2,711 - 389,911
2024 - 3,319 - 417,114
2023 -4,665 5,339 34,589 445,523
2022 -4,858 9,014 39,751 487,029
2021 -4,216 2,477 30,612 462,967
2020 -5,256 28,514 -4,272 144,221
2019 -1,254 16,352 108,342 232,727
2018 -1,037 14,640 119,321 259,744
2017 -207 1,359 145,125 272,311
2016 826 1,195 177,139 324,649
2015 826 712 175,738 347,839
2014 2,268 -70 206,784 306,091
2013 1,648 639 198,830 237,272
2012 2,674 1,117 248,473 172,088
2011 3,285 2,190 259,361 228,773
2010 3,687 -410 251,066 274,811
2009 3,060 11,594 230,422 249,639
2008 3,437 2,971 216,325 263,390
2007 1,211 14,191 196,232 309,385
2006 602 6,081 176,455 288,923
2005 -600 6,317 144,963 308,279
2004 -599 1,759 131,974 276,077
2003 -1,996 3,218 89,471 211,846
2002 -1,197 1,975 65,308 203,577
2001 -996 4,527 65,032 175,133
2000 -398 3,124 70,671 153,917
1999 -1,388 10,291 64,551 152,653
1998 -1,189 -5,280 87,730 125,541
1997 -794 -1,298 99,138 59,723
1996 0 -2,456 98,884 54,964
1995 0 356 87,028 61,385
1994 199 -153 127,304 45,339
1993 -199 -4,641 103,893 27,403
1992 598 -5,547 149,709 17,846
1991 2,199 -3,325 143,562 27,601
1990 3,797 618 154,569 57,132
1989 4,592 -2,718 119,861 49,586
1988 5,986 -3,023 136,628 13,952
1987 5,771 2,972 136,325 8,266
1986 6,094 32,700 90,690 41,836
1985 6,213 3,404 79,170 83,164
1984 5,990 3,280 84,633 71,107
1983 6,343 3,613 61,966 27,063
1982 9,170 -8,695 56,314 -61,152
1981 10,485 -5,016 73,234 -83,876
1980 11,027 3,128 95,734 -25,187
1979 12,614 2,107 61,872 11,255
1978 11,920 2,113 16,859 3,783
1977 12,160 2,584 0 -21,636
1976 12,196 2,226 -5,621 -19,135
1975 11,658 2,421 33,735 -40,241
1974 11,367 3,145 67,476 -65,710
1973 11,837 2,175 112,389 -33,840
1972 10,513 2,924 162,650 -1,406
1971 10,951 2,286 257,123 1,175
1970 10,004 260 244,918 -15,254
1969 9,427 685 260,577 -60,655
1968 11,250 438 292,622 -38,852
1967 13,516 -192 346,145 -39,659
1966 15,697 -1,262 333,356 -27,935
1965 14,513 -1,421 364,132 -24,955
1964 12,567 -349 405,000 -23,885
1963 14,068 -180 337,995 8,271
1962 13,150 148 340,800 76,443
1961 14,985 -306 311,519 52,295
1960 12,678 -929 314,400 19,953

Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).

GeoRank.org/population/slovenia/united-kingdom | CC BY

Over the last 10 years, 18.1% of the population change in Slovenia is from natural causes (a loss of 17,573 people) and 81.9% is from migration (a gain of 79,532 people). In the United Kingdom 23.9% is from natural causes (a gain of 1,033,129 people) and 76.1% is from migration (a gain of 3,283,101 people).

As of 2024, 315,122 residents or 14.9% of the population were not native-born in Slovenia, compared to 11,845,479 people or 17.1% in the United Kingdom.

Biggest cities by population

Slovenia
City Population
Ljubljana 284K
Maribor 114K
Kranj 37.6K
Celje 37.1K
Velenje 25.6K
Novo Mesto 24.2K
Nova Gorica 13K
Izola 11.7K
Murska Sobota 11.2K
Piran 3.79K
United Kingdom
City Population
London 8.8M
Birmingham 1.14M
Glasgow 626K
Manchester 548K
Leeds 536K
Sheffield 518K
Liverpool 513K
Edinburgh 488K
Bristol 472K
Cardiff 384K

Compare countries by 7 more topics

Population map with other countries

1x

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (1960–2026, retrieved 2026-03-10); U.S. Census Bureau (1960–2025, retrieved 2026-02-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20).

GeoRank.org/population/slovenia/united-kingdom | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-03-10)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
  4. Wikidata (2026, retrieved 2026-02-08)
  5. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)

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