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

Updated on by Georank

The latest officially reported population of Slovenia was 2,130,986 in 2025 vs 69,487,000 people in the United Kingdom in 2025. In 2026, based on the adjusted UN estimation, the current Slovenia's population is 2,128,778 people compared to 70,071,289 in the United Kingdom.

Population statistics:

  • The United Kingdom's population is 32.9 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 0.84% for the United Kingdom.
  • For the last 10 years, Slovenia has had an average growth rate of +0.3% per year vs +0.66% in the United Kingdom.
  • Since 2006, the population of Slovenia has increased from 2.01M people to 2.13M (6.07% growth), while the United Kingdom has grown from 60.8M to 70.1M (15.2% growth).

Slovenia vs United Kingdom: population by year and forecast

Slovenia
Factual

Projection
United Kingdom
Factual

Projection
1x
Year Population
Slovenia United Kingdom
2100 1,644,125 74,517,005
2099 1,648,345 74,647,273
2098 1,652,436 74,766,073
2097 1,656,808 74,879,923
2096 1,661,055 74,991,940
2095 1,665,286 75,102,041
2094 1,669,464 75,198,597
2093 1,673,724 75,296,704
2092 1,677,938 75,390,038
2091 1,682,129 75,480,137
2090 1,686,674 75,566,962
2089 1,691,063 75,649,353
2088 1,695,484 75,721,067
2087 1,700,115 75,791,990
2086 1,705,042 75,859,854
2085 1,709,916 75,918,647
2084 1,714,895 75,969,065
2083 1,720,145 76,018,614
2082 1,725,470 76,059,464
2081 1,731,075 76,086,593
2080 1,737,192 76,118,679
2079 1,743,318 76,147,352
2078 1,749,967 76,165,841
2077 1,756,612 76,183,437
2076 1,763,483 76,185,828
2075 1,770,727 76,198,349
2074 1,778,405 76,209,676
2073 1,786,591 76,218,781
2072 1,794,570 76,211,187
2071 1,802,890 76,200,495
2070 1,811,432 76,190,801
2069 1,820,576 76,184,140
2068 1,829,837 76,183,288
2067 1,838,874 76,175,881
2066 1,848,063 76,168,987
2065 1,857,701 76,168,193
2064 1,867,621 76,165,129
2063 1,877,265 76,165,534
2062 1,886,945 76,158,910
2061 1,896,873 76,156,587
2060 1,907,096 76,157,104
2059 1,917,040 76,157,593
2058 1,926,374 76,139,384
2057 1,936,340 76,119,478
2056 1,945,710 76,086,799
2055 1,955,123 76,047,952
2054 1,964,235 75,980,524
2053 1,972,942 75,907,047
2052 1,981,547 75,815,200
2051 1,989,616 75,709,173
2050 1,997,469 75,591,218
2049 2,004,847 75,460,140
2048 2,011,668 75,313,837
2047 2,018,540 75,153,802
2046 2,025,170 74,986,563
2045 2,031,795 74,808,886
2044 2,038,314 74,623,687
2043 2,044,630 74,424,133
2042 2,050,809 74,224,922
2041 2,056,524 74,020,934
2040 2,061,772 73,812,680
2039 2,067,224 73,600,788
2038 2,072,439 73,378,310
2037 2,078,235 73,155,497
2036 2,083,743 72,921,995
2035 2,089,024 72,671,687
2034 2,093,994 72,418,766
2033 2,099,177 72,145,065
2032 2,104,208 71,869,259
2031 2,109,288 71,581,519
2030 2,114,024 71,267,237
2029 2,118,491 70,948,992
2028 2,122,680 70,609,246
2027 2,125,958 70,248,858
2026 2,128,778 69,883,746
2025 2,130,986 69,487,000
2024 2,127,400 69,281,000
2023 2,120,461 68,526,000
2022 2,112,076 67,636,000
2021 2,108,079 66,978,000
2020 2,102,419 66,740,000
2019 2,088,385 66,628,000
2018 2,073,894 66,287,000
2017 2,066,388 65,964,000
2016 2,065,042 65,606,000
2015 2,063,531 65,087,000
2014 2,061,980 64,619,000
2013 2,059,953 64,138,000
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 (2026–2100, retrieved 2026-07-08); World Bank | Health (1960–2025, retrieved 2026-07-08).

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 4,759,180 people (a 7.82% growth).

For the next 10 years, from 2016 to 2026, Slovenia gained 63,736 people (a 3.09% growth), while the United Kingdom's population increased by 4,465,289 people (a 6.81% 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 1,997,469 people and will still be ranked 147th. The population of the United Kingdom will increase by 7.88% to 75,591,218 people and rank change from 22nd to 26th.

The United Kingdom is projected to reach its peak in 2073 at 76.2M people, while Slovenia's population already peaked in 2025 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 0.17% 0.3%
2024 0.33% 1.1%
2023 0.4% 1.32%
2022 0.19% 0.98%
2021 0.27% 0.36%
2020 0.67% 0.17%
2019 0.7% 0.51%
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 (2026–2100, retrieved 2026-07-08); World Bank | Health (1961–2025, retrieved 2026-07-08).

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

In 2025, the population of Slovenia grew by 0.17%, while the United Kingdom's population grew by 0.3%.

Live population counters

Slovenia United Kingdom
Current population
2128778
70071289
Population rank 147/197 22/197
Percent of world population 0.03% 0.84%
One net population change
2.45 hours
2.56 minutes
One birth every
31.3 minutes
46 seconds
One death every
24.5 minutes
46.9 seconds
Daily growth/decline +10 +564
Annual growth/decline +3,586 +206,000
Annual growth/decline rate +0.17% +0.3%
Population growth rate rank 153/197 145/197
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 -4,680 3,319 13,233 417,114
2023 -4,665 5,339 34,606 445,523
2022 -4,858 9,014 39,770 487,029
2021 -4,216 2,477 30,609 462,967
2020 -5,256 28,514 -4,272 144,221
2019 -1,254 16,352 108,338 232,727
2018 -1,037 14,640 119,317 259,744
2017 -207 1,359 145,121 272,311
2016 826 1,195 177,136 324,649
2015 826 712 175,735 347,839
2014 2,268 -70 206,781 306,091
2013 1,648 639 198,827 237,272
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 2026-07-08).

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

Over the last 10 years, 22.8% of the population change in Slovenia is from natural causes (a loss of 24,521 people) and 77.2% is from migration (a gain of 82,921 people). In the United Kingdom 19.8% is from natural causes (a gain of 839,593 people) and 80.2% is from migration (a gain of 3,394,124 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 (1960–2025, retrieved 2026-07-08); United Nations | World Population Prospects (1960–2026, retrieved 2026-07-08); U.S. Census Bureau (1960–2025, retrieved 2026-07-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08).

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

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-07-08)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
  4. Wikidata (2026, retrieved 2026-07-08)
  5. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)

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