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Population in Poland compared to Slovenia: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Poland was 36,435,861 in 2025 vs 2,130,986 people in Slovenia in 2025. In 2026, based on the adjusted UN estimation, the current Poland's population is 36,007,074 people compared to 2,128,778 in Slovenia.

Population statistics:

  • Poland's population is 16.9 times bigger than Slovenia's.
  • Poland is ranked the 47th most populous country in the world, while Slovenia is the 147th.
  • The countries together account for 0.46% of the world: 0.43% for Poland vs 0.03% for Slovenia.
  • For the last 10 years, Poland has had an average growth rate of -0.38% per year vs +0.3% in Slovenia.
  • Since 2006, the population of Poland has decreased from 38.1M people to 36M (5.6% decline), while Slovenia has grown from 2.01M to 2.13M (6.07% growth).

Poland vs Slovenia: population by year and forecast

Poland
Factual

Projection
Slovenia
Factual

Projection
1x
Year Population
Poland Slovenia
2100 18,452,579 1,644,125
2099 18,644,857 1,648,345
2098 18,838,707 1,652,436
2097 19,033,962 1,656,808
2096 19,231,896 1,661,055
2095 19,431,204 1,665,286
2094 19,634,214 1,669,464
2093 19,840,304 1,673,724
2092 20,049,969 1,677,938
2091 20,263,764 1,682,129
2090 20,482,150 1,686,674
2089 20,705,051 1,691,063
2088 20,933,750 1,695,484
2087 21,167,790 1,700,115
2086 21,407,163 1,705,042
2085 21,652,018 1,709,916
2084 21,902,736 1,714,895
2083 22,159,983 1,720,145
2082 22,423,109 1,725,470
2081 22,691,495 1,731,075
2080 22,964,515 1,737,192
2079 23,242,960 1,743,318
2078 23,524,184 1,749,967
2077 23,811,918 1,756,612
2076 24,102,012 1,763,483
2075 24,395,355 1,770,727
2074 24,691,719 1,778,405
2073 24,990,908 1,786,591
2072 25,290,453 1,794,570
2071 25,590,102 1,802,890
2070 25,889,034 1,811,432
2069 26,187,633 1,820,576
2068 26,485,171 1,829,837
2067 26,780,961 1,838,874
2066 27,074,124 1,848,063
2065 27,364,039 1,857,701
2064 27,650,950 1,867,621
2063 27,934,132 1,877,265
2062 28,212,240 1,886,945
2061 28,487,283 1,896,873
2060 28,757,525 1,907,096
2059 29,025,705 1,917,040
2058 29,288,751 1,926,374
2057 29,548,996 1,936,340
2056 29,806,770 1,945,710
2055 30,060,951 1,955,123
2054 30,311,416 1,964,235
2053 30,559,065 1,972,942
2052 30,801,964 1,981,547
2051 31,043,690 1,989,616
2050 31,281,762 1,997,469
2049 31,516,893 2,004,847
2048 31,748,736 2,011,668
2047 31,978,608 2,018,540
2046 32,205,877 2,025,170
2045 32,431,013 2,031,795
2044 32,653,012 2,038,314
2043 32,873,136 2,044,630
2042 33,090,733 2,050,809
2041 33,303,578 2,056,524
2040 33,514,705 2,061,772
2039 33,722,530 2,067,224
2038 33,926,660 2,072,439
2037 34,126,585 2,078,235
2036 34,323,967 2,083,743
2035 34,515,669 2,089,024
2034 34,704,048 2,093,994
2033 34,887,791 2,099,177
2032 35,067,502 2,104,208
2031 35,242,658 2,109,288
2030 35,410,392 2,114,024
2029 35,572,635 2,118,491
2028 35,725,650 2,122,680
2027 35,870,384 2,125,958
2026 36,007,074 2,128,778
2025 36,435,861 2,130,986
2024 36,559,233 2,127,400
2023 36,687,353 2,120,461
2022 36,821,749 2,112,076
2021 36,981,559 2,108,079
2020 37,515,748 2,102,419
2019 37,965,475 2,088,385
2018 37,974,750 2,073,894
2017 37,974,826 2,066,388
2016 37,970,087 2,065,042
2015 37,986,412 2,063,531
2014 38,011,735 2,061,980
2013 38,040,196 2,059,953
2012 38,063,164 2,057,159
2011 38,063,255 2,052,843
2010 38,042,794 2,048,583
2009 38,151,603 2,039,669
2008 38,125,759 2,021,316
2007 38,120,560 2,018,122
2006 38,141,267 2,006,868
2005 38,165,445 2,000,474
2004 38,182,222 1,997,012
2003 38,204,570 1,995,733
2002 38,230,364 1,994,530
2001 38,248,076 1,992,060
2000 38,258,629 1,988,925
1999 38,660,271 1,983,045
1998 38,663,481 1,981,629
1997 38,649,660 1,985,956
1996 38,624,370 1,988,628
1995 38,594,998 1,989,872
1994 38,542,652 1,989,443
1993 38,461,408 1,991,746
1992 38,363,667 1,996,498
1991 38,246,193 1,999,429
1990 38,110,782 1,998,161
1989 37,961,529 1,996,351
1988 37,824,487 1,995,196
1987 37,668,045 1,989,776
1986 37,456,119 1,965,964
1985 37,201,885 1,941,641
1984 36,904,134 1,932,154
1983 36,571,808 1,922,321
1982 36,230,481 1,910,334
1981 35,898,587 1,906,531
1980 35,574,150 1,901,315
1979 35,247,217 1,882,599
1978 34,965,600 1,862,548
1977 34,689,050 1,842,377
1976 34,356,300 1,820,249
1975 34,015,199 1,793,581
1974 33,678,899 1,776,132
1973 33,357,200 1,766,697
1972 33,055,650 1,752,233
1971 32,783,500 1,738,335
1970 32,664,300 1,724,891
1969 32,548,300 1,713,874
1968 32,294,655 1,704,546
1967 31,987,155 1,689,528
1966 31,681,000 1,669,905
1965 31,444,950 1,649,160
1964 31,139,450 1,632,114
1963 30,712,000 1,616,971
1962 30,308,500 1,603,649
1961 29,964,000 1,594,131
1960 29,637,450 1,584,720

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/poland/slovenia | CC BY

From 2006 to 2016, the population of Poland decreased by 171,180 people (a 0.45% decline), while Slovenia gained 58,174 people (a 2.9% growth).

For the next 10 years, from 2016 to 2026, Poland lost 1,963,013 people (a 5.17% decline), while Slovenia's population increased by 63,736 people (a 3.09% growth).

Poland was ranked 32nd most populous country in 2006 and is 47th in 2026. Slovenia was ranked 141st in 2006 and ranked 147th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Poland's population will shrink by 13.1% to 31,281,762 people with a rank change from 47th to 61st. The population of Slovenia will decrease by 6.17% to 1,997,469 people and will still be ranked 147th.

Both countries are in a period of decline and in 50 years are projected to lose 33.1% of the population in Poland and 17.2% in Slovenia.

Population growth rate by year

Poland
Factual

Projection
Slovenia
Factual

Projection
1x
Year Growth rate
Poland Slovenia
2100 -1.03% -0.26%
2099 -1.03% -0.25%
2098 -1.03% -0.26%
2097 -1.03% -0.26%
2096 -1.03% -0.25%
2095 -1.03% -0.25%
2094 -1.04% -0.25%
2093 -1.05% -0.25%
2092 -1.06% -0.25%
2091 -1.07% -0.27%
2090 -1.08% -0.26%
2089 -1.09% -0.26%
2088 -1.11% -0.27%
2087 -1.12% -0.29%
2086 -1.13% -0.29%
2085 -1.14% -0.29%
2084 -1.16% -0.31%
2083 -1.17% -0.31%
2082 -1.18% -0.32%
2081 -1.19% -0.35%
2080 -1.2% -0.35%
2079 -1.2% -0.38%
2078 -1.21% -0.38%
2077 -1.2% -0.39%
2076 -1.2% -0.41%
2075 -1.2% -0.43%
2074 -1.2% -0.46%
2073 -1.18% -0.44%
2072 -1.17% -0.46%
2071 -1.15% -0.47%
2070 -1.14% -0.5%
2069 -1.12% -0.51%
2068 -1.1% -0.49%
2067 -1.08% -0.5%
2066 -1.06% -0.52%
2065 -1.04% -0.53%
2064 -1.01% -0.51%
2063 -0.99% -0.51%
2062 -0.97% -0.52%
2061 -0.94% -0.54%
2060 -0.92% -0.52%
2059 -0.9% -0.48%
2058 -0.88% -0.51%
2057 -0.86% -0.48%
2056 -0.85% -0.48%
2055 -0.83% -0.46%
2054 -0.81% -0.44%
2053 -0.79% -0.43%
2052 -0.78% -0.41%
2051 -0.76% -0.39%
2050 -0.75% -0.37%
2049 -0.73% -0.34%
2048 -0.72% -0.34%
2047 -0.71% -0.33%
2046 -0.69% -0.33%
2045 -0.68% -0.32%
2044 -0.67% -0.31%
2043 -0.66% -0.3%
2042 -0.64% -0.28%
2041 -0.63% -0.25%
2040 -0.62% -0.26%
2039 -0.6% -0.25%
2038 -0.59% -0.28%
2037 -0.58% -0.26%
2036 -0.56% -0.25%
2035 -0.54% -0.24%
2034 -0.53% -0.25%
2033 -0.51% -0.24%
2032 -0.5% -0.24%
2031 -0.47% -0.22%
2030 -0.46% -0.21%
2029 -0.43% -0.2%
2028 -0.4% -0.15%
2027 -0.38% -0.13%
2026 -1.18% -0.1%
2025 -0.34% 0.17%
2024 -0.35% 0.33%
2023 -0.36% 0.4%
2022 -0.43% 0.19%
2021 -1.42% 0.27%
2020 -1.18% 0.67%
2019 -0.02% 0.7%
2018 -0% 0.36%
2017 0.01% 0.07%
2016 -0.04% 0.07%
2015 -0.07% 0.08%
2014 -0.07% 0.1%
2013 -0.06% 0.14%
2012 -0% 0.21%
2011 0.05% 0.21%
2010 -0.29% 0.44%
2009 0.07% 0.91%
2008 0.01% 0.16%
2007 -0.05% 0.56%
2006 -0.06% 0.32%
2005 -0.04% 0.17%
2004 -0.06% 0.06%
2003 -0.07% 0.06%
2002 -0.05% 0.12%
2001 -0.03% 0.16%
2000 -1.04% 0.3%
1999 -0.008% 0.07%
1998 0.04% -0.22%
1997 0.07% -0.13%
1996 0.08% -0.06%
1995 0.14% 0.02%
1994 0.21% -0.12%
1993 0.25% -0.24%
1992 0.31% -0.15%
1991 0.36% 0.06%
1990 0.39% 0.09%
1989 0.36% 0.06%
1988 0.42% 0.27%
1987 0.57% 1.21%
1986 0.68% 1.25%
1985 0.81% 0.49%
1984 0.91% 0.51%
1983 0.94% 0.63%
1982 0.92% 0.2%
1981 0.91% 0.27%
1980 0.93% 0.99%
1979 0.81% 1.08%
1978 0.8% 1.09%
1977 0.97% 1.22%
1976 1% 1.49%
1975 1% 0.98%
1974 0.96% 0.53%
1973 0.91% 0.83%
1972 0.83% 0.8%
1971 0.36% 0.78%
1970 0.36% 0.64%
1969 0.79% 0.55%
1968 0.96% 0.89%
1967 0.97% 1.18%
1966 0.75% 1.26%
1965 0.98% 1.04%
1964 1.39% 0.94%
1963 1.33% 0.83%
1962 1.15% 0.6%
1961 1.1% 0.59%

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/poland/slovenia | CC BY

In 2025, the population of Poland declined by 0.34%, while Slovenia's population grew by 0.17%.

Live population counters

Poland Slovenia
Current population
36007074
2128778
Population rank 47/197 147/197
Percent of world population 0.43% 0.03%
One net population change
4.27 minutes
2.45 hours
One birth every
2.08 minutes
31.3 minutes
One death every
1.28 minutes
24.5 minutes
Daily growth/decline -338 +10
Annual growth/decline -123,372 +3,586
Annual growth/decline rate -0.34% +0.17%
Population growth rate rank 179/197 153/197
One migration net change every
1.59 minutes
3.24 hours
Annual migration change -330,820 +2,711
Net migration rank 191/196 55/196
Foreign-born residents 1,739,901 315,122
Foreign-born residents rank 41/195 97/195
Foreign-born share of population 4.5% 14.9%
Foreign-born share rank 97/195 44/195

Natural population change vs migration

Poland
Natural

Migration
Slovenia
Natural

Migration
1x
Year Population change
Poland Slovenia
Natural Migration Natural Migration
2025 - -330,820 - 2,711
2024 -157,205 -238,062 -4,680 3,319
2023 -135,743 -7,824 -4,665 5,339
2022 -143,605 967,744 -4,858 9,014
2021 -184,907 2,251 -4,216 2,477
2020 -120,050 3,920 -5,256 28,514
2019 -34,169 7,696 -1,254 16,352
2018 -26,582 -223 -1,037 14,640
2017 0 -21,535 -207 1,359
2016 -3,797 -5,675 826 1,195
2015 -26,590 3,887 826 712
2014 0 5,525 2,268 -70
2013 -19,020 12,402 1,648 639
2012 0 4,635 2,674 1,117
2011 11,419 45,951 3,285 2,190
2010 38,043 119,623 3,687 -410
2009 30,521 -8,283 3,060 11,594
2008 34,313 -42,288 3,437 2,971
2007 11,436 -51,235 1,211 14,191
2006 3,814 -68,882 602 6,081
2005 -3,817 -41,942 -600 6,317
2004 -7,637 -38,216 -599 1,759
2003 -15,281 -19,039 -1,996 3,218
2002 -3,823 -16,462 -1,197 1,975
2001 3,825 -16,648 -996 4,527
2000 11,478 -15,921 -398 3,124
1999 0 -53,035 -1,388 10,291
1998 19,332 -39,509 -1,189 -5,280
1997 34,785 -44,230 -794 -1,298
1996 42,487 -45,349 0 -2,456
1995 46,314 -52,989 0 356
1994 96,357 -41,845 199 -153
1993 103,846 -48,805 -199 -4,641
1992 118,928 -46,893 598 -5,547
1991 141,511 -55,342 2,199 -3,325
1990 160,066 -50,339 3,797 618
1989 182,215 -49,192 4,592 -2,718
1988 215,599 -101,671 5,986 -3,023
1987 226,008 -32,310 5,771 2,972
1986 258,448 -22,520 6,094 32,700
1985 297,615 -27,277 6,213 3,404
1984 332,137 -18,402 5,990 3,280
1983 373,032 -26,724 6,343 3,613
1982 369,551 -34,980 9,170 -8,695
1981 351,806 -16,155 10,485 -5,016
1980 348,627 -42,420 11,027 3,128
1979 366,571 -22,162 12,614 2,107
1978 339,166 -62,936 11,920 2,113
1977 353,828 -33,496 12,160 2,584
1976 367,612 -25,716 12,196 2,226
1975 350,356 -31,346 11,658 2,421
1974 346,893 -18,273 11,367 3,145
1973 320,229 -29,335 11,837 2,175
1972 314,028 -15,004 10,513 2,924
1971 278,660 -31,767 10,951 2,286
1970 280,913 -66,859 10,004 260
1969 270,151 -26,744 9,427 685
1968 280,963 -11,905 11,250 438
1967 275,089 -25,479 13,516 -192
1966 297,801 -17,158 15,697 -1,262
1965 314,450 -21,658 14,513 -1,421
1964 326,965 -23,273 12,567 -349
1963 359,330 -13,770 14,068 -180
1962 360,671 -31,021 13,150 148
1961 398,521 -20,044 14,985 -306
1960 444,562 -6,306 12,678 -929

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/poland/slovenia | CC BY

Over the last 10 years, 53.9% of the population change in Poland is from natural causes (a loss of 832,648 people) and 46.1% is from migration (a gain of 712,179 people). In Slovenia 22.8% is from natural causes (a loss of 24,521 people) and 77.2% is from migration (a gain of 82,921 people).

As of 2024, 1,739,901 residents or 4.5% of the population were not native-born in Poland, compared to 315,122 people or 14.9% in Slovenia.

Biggest cities by population

Poland
City Population
Warsaw 1.86M
Krakow 804K
Wroclaw 674K
Lodz 649K
Poznan 547K
Gdansk 488K
Szczecin 388K
Lublin 335K
Bydgoszcz 325K
Bialystok 290K
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

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/poland/slovenia | 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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