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Population in Papua New Guinea compared to Slovenia: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Papua New Guinea was 10,762,817 in 2025 vs 2,130,986 people in Slovenia in 2025. In 2026, based on the adjusted UN estimation, the current Papua New Guinea's population is 11,045,681 people compared to 2,128,778 in Slovenia.

Population statistics:

  • Papua New Guinea's population is 5.19 times bigger than Slovenia's.
  • Papua New Guinea is ranked the 89th most populous country in the world, while Slovenia is the 147th.
  • The countries together account for 0.16% of the world: 0.13% for Papua New Guinea vs 0.03% for Slovenia.
  • For the last 10 years, Papua New Guinea has had an average growth rate of +2.14% per year vs +0.3% in Slovenia.
  • Since 2006, the population of Papua New Guinea has increased from 6.75M people to 11M (63.7% growth), while Slovenia has grown from 2.01M to 2.13M (6.07% growth).

Papua New Guinea vs Slovenia: population by year and forecast

Papua New Guinea
Factual

Projection
Slovenia
Factual

Projection
1x
Year Population
Papua New Guinea Slovenia
2100 18,798,240 1,644,125
2099 18,786,145 1,648,345
2098 18,772,372 1,652,436
2097 18,755,008 1,656,808
2096 18,733,822 1,661,055
2095 18,710,340 1,665,286
2094 18,683,383 1,669,464
2093 18,654,365 1,673,724
2092 18,621,911 1,677,938
2091 18,586,147 1,682,129
2090 18,545,656 1,686,674
2089 18,506,626 1,691,063
2088 18,464,999 1,695,484
2087 18,420,558 1,700,115
2086 18,372,233 1,705,042
2085 18,321,842 1,709,916
2084 18,270,605 1,714,895
2083 18,214,932 1,720,145
2082 18,159,412 1,725,470
2081 18,100,531 1,731,075
2080 18,035,268 1,737,192
2079 17,972,052 1,743,318
2078 17,904,957 1,749,967
2077 17,837,082 1,756,612
2076 17,768,107 1,763,483
2075 17,695,759 1,770,727
2074 17,621,390 1,778,405
2073 17,544,490 1,786,591
2072 17,463,028 1,794,570
2071 17,377,995 1,802,890
2070 17,291,519 1,811,432
2069 17,201,936 1,820,576
2068 17,108,606 1,829,837
2067 17,011,562 1,838,874
2066 16,911,929 1,848,063
2065 16,809,460 1,857,701
2064 16,705,205 1,867,621
2063 16,600,853 1,877,265
2062 16,493,872 1,886,945
2061 16,383,508 1,896,873
2060 16,267,162 1,907,096
2059 16,149,265 1,917,040
2058 16,029,360 1,926,374
2057 15,906,350 1,936,340
2056 15,781,247 1,945,710
2055 15,653,296 1,955,123
2054 15,519,925 1,964,235
2053 15,386,054 1,972,942
2052 15,247,553 1,981,547
2051 15,107,257 1,989,616
2050 14,965,427 1,997,469
2049 14,818,793 2,004,847
2048 14,670,417 2,011,668
2047 14,519,915 2,018,540
2046 14,367,141 2,025,170
2045 14,210,639 2,031,795
2044 14,053,122 2,038,314
2043 13,894,884 2,044,630
2042 13,735,841 2,050,809
2041 13,574,567 2,056,524
2040 13,410,615 2,061,772
2039 13,244,740 2,067,224
2038 13,076,640 2,072,439
2037 12,907,059 2,078,235
2036 12,735,582 2,083,743
2035 12,563,938 2,089,024
2034 12,389,907 2,093,994
2033 12,215,713 2,099,177
2032 12,039,848 2,104,208
2031 11,862,856 2,109,288
2030 11,683,177 2,114,024
2029 11,502,504 2,118,491
2028 11,320,226 2,122,680
2027 11,136,100 2,125,958
2026 10,950,183 2,128,778
2025 10,762,817 2,130,986
2024 10,576,502 2,127,400
2023 10,389,635 2,120,461
2022 10,203,169 2,112,076
2021 10,012,896 2,108,079
2020 9,815,746 2,102,419
2019 9,609,010 2,088,385
2018 9,394,513 2,073,894
2017 9,178,714 2,066,388
2016 8,961,718 2,065,042
2015 8,743,246 2,063,531
2014 8,523,441 2,061,980
2013 8,302,698 2,059,953
2012 8,081,390 2,057,159
2011 7,859,346 2,052,843
2010 7,633,523 2,048,583
2009 7,406,438 2,039,669
2008 7,183,002 2,021,316
2007 6,963,345 2,018,122
2006 6,747,720 2,006,868
2005 6,535,905 2,000,474
2004 6,328,041 1,997,012
2003 6,123,997 1,995,733
2002 5,924,003 1,994,530
2001 5,728,435 1,992,060
2000 5,537,064 1,988,925
1999 5,349,333 1,983,045
1998 5,166,390 1,981,629
1997 4,987,883 1,985,956
1996 4,813,361 1,988,628
1995 4,644,278 1,989,872
1994 4,480,208 1,989,443
1993 4,320,872 1,991,746
1992 4,166,699 1,996,498
1991 4,021,837 1,999,429
1990 3,896,481 1,998,161
1989 3,796,078 1,996,351
1988 3,711,880 1,995,196
1987 3,632,543 1,989,776
1986 3,554,793 1,965,964
1985 3,478,936 1,941,641
1984 3,405,198 1,932,154
1983 3,333,633 1,922,321
1982 3,264,291 1,910,334
1981 3,197,019 1,906,531
1980 3,131,512 1,901,315
1979 3,067,341 1,882,599
1978 3,003,714 1,862,548
1977 2,940,327 1,842,377
1976 2,877,327 1,820,249
1975 2,814,820 1,793,581
1974 2,752,671 1,776,132
1973 2,690,629 1,766,697
1972 2,628,432 1,752,233
1971 2,566,421 1,738,335
1970 2,505,628 1,724,891
1969 2,446,927 1,713,874
1968 2,390,803 1,704,546
1967 2,337,532 1,689,528
1966 2,285,774 1,669,905
1965 2,235,820 1,649,160
1964 2,188,325 1,632,114
1963 2,141,376 1,616,971
1962 2,093,919 1,603,649
1961 2,046,127 1,594,131
1960 1,995,110 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/papua-new-guinea/slovenia | CC BY

From 2006 to 2016, the population of Papua New Guinea increased by 2,213,998 people (a 32.8% growth), while Slovenia gained 58,174 people (a 2.9% growth).

For the next 10 years, from 2016 to 2026, Papua New Guinea gained 2,083,963 people (a 23.3% growth), while Slovenia's population increased by 63,736 people (a 3.09% growth).

Papua New Guinea was ranked 100th most populous country in 2006 and is 89th 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) Papua New Guinea's population will grow by 35.5% to 14,965,427 people with a rank change from 89th to 84th. The population of Slovenia will decrease by 6.17% to 1,997,469 people and will still be ranked 147th.

Papua New Guinea is projected to reach its peak in 2100 at 18.8M 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

Papua New Guinea
Factual

Projection
Slovenia
Factual

Projection
1x
Year Growth rate
Papua New Guinea Slovenia
2100 0.06% -0.26%
2099 0.07% -0.25%
2098 0.09% -0.26%
2097 0.11% -0.26%
2096 0.13% -0.25%
2095 0.14% -0.25%
2094 0.16% -0.25%
2093 0.17% -0.25%
2092 0.19% -0.25%
2091 0.22% -0.27%
2090 0.21% -0.26%
2089 0.23% -0.26%
2088 0.24% -0.27%
2087 0.26% -0.29%
2086 0.28% -0.29%
2085 0.28% -0.29%
2084 0.31% -0.31%
2083 0.31% -0.31%
2082 0.33% -0.32%
2081 0.36% -0.35%
2080 0.35% -0.35%
2079 0.37% -0.38%
2078 0.38% -0.38%
2077 0.39% -0.39%
2076 0.41% -0.41%
2075 0.42% -0.43%
2074 0.44% -0.46%
2073 0.47% -0.44%
2072 0.49% -0.46%
2071 0.5% -0.47%
2070 0.52% -0.5%
2069 0.55% -0.51%
2068 0.57% -0.49%
2067 0.59% -0.5%
2066 0.61% -0.52%
2065 0.62% -0.53%
2064 0.63% -0.51%
2063 0.65% -0.51%
2062 0.67% -0.52%
2061 0.72% -0.54%
2060 0.73% -0.52%
2059 0.75% -0.48%
2058 0.77% -0.51%
2057 0.79% -0.48%
2056 0.82% -0.48%
2055 0.86% -0.46%
2054 0.87% -0.44%
2053 0.91% -0.43%
2052 0.93% -0.41%
2051 0.95% -0.39%
2050 0.99% -0.37%
2049 1.01% -0.34%
2048 1.04% -0.34%
2047 1.06% -0.33%
2046 1.1% -0.33%
2045 1.12% -0.32%
2044 1.14% -0.31%
2043 1.16% -0.3%
2042 1.19% -0.28%
2041 1.22% -0.25%
2040 1.25% -0.26%
2039 1.29% -0.25%
2038 1.31% -0.28%
2037 1.35% -0.26%
2036 1.37% -0.25%
2035 1.4% -0.24%
2034 1.43% -0.25%
2033 1.46% -0.24%
2032 1.49% -0.24%
2031 1.54% -0.22%
2030 1.57% -0.21%
2029 1.61% -0.2%
2028 1.65% -0.15%
2027 1.7% -0.13%
2026 1.74% -0.1%
2025 1.76% 0.17%
2024 1.8% 0.33%
2023 1.83% 0.4%
2022 1.9% 0.19%
2021 2.01% 0.27%
2020 2.15% 0.67%
2019 2.28% 0.7%
2018 2.35% 0.36%
2017 2.42% 0.07%
2016 2.5% 0.07%
2015 2.58% 0.08%
2014 2.66% 0.1%
2013 2.74% 0.14%
2012 2.83% 0.21%
2011 2.96% 0.21%
2010 3.07% 0.44%
2009 3.11% 0.91%
2008 3.15% 0.16%
2007 3.2% 0.56%
2006 3.24% 0.32%
2005 3.28% 0.17%
2004 3.33% 0.06%
2003 3.38% 0.06%
2002 3.41% 0.12%
2001 3.46% 0.16%
2000 3.51% 0.3%
1999 3.54% 0.07%
1998 3.58% -0.22%
1997 3.63% -0.13%
1996 3.64% -0.06%
1995 3.66% 0.02%
1994 3.69% -0.12%
1993 3.7% -0.24%
1992 3.6% -0.15%
1991 3.22% 0.06%
1990 2.64% 0.09%
1989 2.27% 0.06%
1988 2.18% 0.27%
1987 2.19% 1.21%
1986 2.18% 1.25%
1985 2.17% 0.49%
1984 2.15% 0.51%
1983 2.12% 0.63%
1982 2.1% 0.2%
1981 2.09% 0.27%
1980 2.09% 0.99%
1979 2.12% 1.08%
1978 2.16% 1.09%
1977 2.19% 1.22%
1976 2.22% 1.49%
1975 2.26% 0.98%
1974 2.31% 0.53%
1973 2.37% 0.83%
1972 2.42% 0.8%
1971 2.43% 0.78%
1970 2.4% 0.64%
1969 2.35% 0.55%
1968 2.28% 0.89%
1967 2.26% 1.18%
1966 2.23% 1.26%
1965 2.17% 1.04%
1964 2.19% 0.94%
1963 2.27% 0.83%
1962 2.34% 0.6%
1961 2.56% 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/papua-new-guinea/slovenia | CC BY

In 2025, the population of Papua New Guinea grew by 1.76%, while Slovenia's population grew by 0.17%.

Live population counters

Papua New Guinea Slovenia
Current population
11045681
2128778
Population rank 89/197 147/197
Percent of world population 0.13% 0.03%
One net population change
2.83 minutes
2.45 hours
One birth every
2.05 minutes
31.3 minutes
One death every
7.58 minutes
24.5 minutes
Daily growth/decline +510 +10
Annual growth/decline +186,315 +3,586
Annual growth/decline rate +1.76% +0.17%
Population growth rate rank 59/197 153/197
One migration net change every
1.29 days
3.24 hours
Annual migration change -284 +2,711
Net migration rank 87/196 55/196
Foreign-born residents 31,171 315,122
Foreign-born residents rank 163/195 97/195
Foreign-born share of population 0.3% 14.9%
Foreign-born share rank 183/195 44/195

Natural population change vs migration

Papua New Guinea
Natural

Migration
Slovenia
Natural

Migration
1x
Year Population change
Papua New Guinea Slovenia
Natural Migration Natural Migration
2025 - -284 - 2,711
2024 187,595 -707 -4,680 3,319
2023 187,637 -787 -4,665 5,339
2022 186,861 -787 -4,858 9,014
2021 183,766 10,703 -4,216 2,477
2020 189,130 10,703 -5,256 28,514
2019 190,662 22,978 -1,254 16,352
2018 190,662 24,684 -1,037 14,640
2017 189,715 26,513 -207 1,359
2016 189,281 28,473 826 1,195
2015 188,600 30,580 826 712
2014 187,592 32,840 2,268 -70
2013 185,790 35,280 1,648 639
2012 183,658 37,893 2,674 1,117
2011 181,842 40,690 3,285 2,190
2010 178,998 50,106 3,687 -410
2009 175,421 49,647 3,060 11,594
2008 172,823 48,985 3,437 2,971
2007 169,306 48,203 1,211 14,191
2006 166,540 47,191 602 6,081
2005 163,888 46,014 -600 6,317
2004 161,023 44,811 -599 1,759
2003 158,611 43,639 -1,996 3,218
2002 155,091 42,657 -1,197 1,975
2001 151,431 41,962 -996 4,527
2000 147,496 41,855 -398 3,124
1999 143,592 42,519 -1,388 10,291
1998 136,677 43,091 -1,189 -5,280
1997 134,458 42,787 -794 -1,298
1996 129,802 41,994 0 -2,456
1995 125,410 40,962 0 356
1994 122,113 39,669 199 -153
1993 118,668 38,220 -199 -4,641
1992 114,818 36,622 598 -5,547
1991 111,453 26,830 2,199 -3,325
1990 110,033 2,398 3,797 618
1989 108,199 -19,824 4,592 -2,718
1988 106,256 -26,232 5,986 -3,023
1987 104,367 -25,720 5,771 2,972
1986 102,346 -25,495 6,094 32,700
1985 100,333 -25,470 6,213 3,404
1984 98,103 -25,487 5,990 3,280
1983 95,982 -25,465 6,343 3,613
1982 93,522 -25,355 9,170 -8,695
1981 91,767 -25,383 10,485 -5,016
1980 90,266 -25,638 11,027 3,128
1979 89,330 -25,618 12,614 2,107
1978 88,747 -25,208 11,920 2,113
1977 87,954 -24,722 12,160 2,584
1976 86,965 -24,198 12,196 2,226
1975 85,809 -23,562 11,658 2,421
1974 84,829 -22,771 11,367 3,145
1973 83,821 -21,803 11,837 2,175
1972 82,672 -20,303 10,513 2,924
1971 80,599 -18,945 10,951 2,286
1970 78,712 -18,773 10,004 260
1969 76,454 -18,994 9,427 685
1968 73,983 -19,188 11,250 438
1967 71,519 -19,767 13,516 -192
1966 69,206 -17,454 15,697 -1,262
1965 66,693 -18,532 14,513 -1,421
1964 64,558 -17,730 12,567 -349
1963 62,260 -15,189 14,068 -180
1962 59,974 -12,141 13,150 148
1961 58,151 -10,409 14,985 -306
1960 56,326 -2,034 12,678 -929

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

GeoRank.org/population/papua-new-guinea/slovenia | CC BY

Over the last 10 years, 92.5% of the population change in Papua New Guinea is from natural causes (a gain of 1,883,909 people) and 7.48% is from migration (a gain of 152,353 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, 31,171 residents or 0.3% of the population were not native-born in Papua New Guinea, compared to 315,122 people or 14.9% in Slovenia.

Biggest cities by population

Papua New Guinea
City Population
Port Moresby 317K
Lae 101K
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/papua-new-guinea/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. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
  5. Wikidata (2026, retrieved 2026-07-08)

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