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Population in New Zealand compared to Slovenia: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of New Zealand was 5,324,700 in 2025 vs 2,130,986 people in Slovenia in 2025. In 2026, based on the adjusted UN estimation, the current New Zealand's population is 5,380,024 people compared to 2,128,778 in Slovenia.

Population statistics:

  • New Zealand's population is 2.53 times bigger than Slovenia's.
  • New Zealand is ranked the 124th most populous country in the world, while Slovenia is the 147th.
  • The countries together account for 0.09% of the world: 0.06% for New Zealand vs 0.03% for Slovenia.
  • For the last 10 years, New Zealand has had an average growth rate of +1.51% per year vs +0.3% in Slovenia.
  • Since 2006, the population of New Zealand has increased from 4.18M people to 5.38M (28.6% growth), while Slovenia has grown from 2.01M to 2.13M (6.07% growth).

New Zealand vs Slovenia: population by year and forecast

New Zealand
Factual

Projection
Slovenia
Factual

Projection
1x
Year Population
New Zealand Slovenia
2100 5,915,768 1,644,125
2099 5,920,061 1,648,345
2098 5,924,133 1,652,436
2097 5,927,189 1,656,808
2096 5,929,831 1,661,055
2095 5,931,770 1,665,286
2094 5,933,105 1,669,464
2093 5,935,725 1,673,724
2092 5,936,005 1,677,938
2091 5,937,584 1,682,129
2090 5,938,671 1,686,674
2089 5,941,788 1,691,063
2088 5,942,552 1,695,484
2087 5,945,502 1,700,115
2086 5,948,659 1,705,042
2085 5,952,187 1,709,916
2084 5,956,025 1,714,895
2083 5,960,521 1,720,145
2082 5,963,849 1,725,470
2081 5,965,417 1,731,075
2080 5,967,986 1,737,192
2079 5,969,234 1,743,318
2078 5,969,831 1,749,967
2077 5,968,708 1,756,612
2076 5,968,290 1,763,483
2075 5,967,889 1,770,727
2074 5,966,738 1,778,405
2073 5,965,412 1,786,591
2072 5,961,455 1,794,570
2071 5,961,400 1,802,890
2070 5,960,718 1,811,432
2069 5,959,460 1,820,576
2068 5,957,827 1,829,837
2067 5,955,348 1,838,874
2066 5,951,452 1,848,063
2065 5,947,293 1,857,701
2064 5,943,767 1,867,621
2063 5,941,828 1,877,265
2062 5,937,757 1,886,945
2061 5,936,521 1,896,873
2060 5,933,016 1,907,096
2059 5,928,350 1,917,040
2058 5,922,743 1,926,374
2057 5,916,754 1,936,340
2056 5,910,221 1,945,710
2055 5,901,290 1,955,123
2054 5,891,739 1,964,235
2053 5,881,824 1,972,942
2052 5,873,115 1,981,547
2051 5,861,135 1,989,616
2050 5,849,861 1,997,469
2049 5,841,135 2,004,847
2048 5,830,154 2,011,668
2047 5,819,016 2,018,540
2046 5,806,848 2,025,170
2045 5,792,780 2,031,795
2044 5,777,886 2,038,314
2043 5,761,590 2,044,630
2042 5,743,549 2,050,809
2041 5,724,283 2,056,524
2040 5,705,914 2,061,772
2039 5,687,068 2,067,224
2038 5,667,019 2,072,439
2037 5,647,323 2,078,235
2036 5,627,207 2,083,743
2035 5,606,247 2,089,024
2034 5,585,417 2,093,994
2033 5,562,621 2,099,177
2032 5,539,615 2,104,208
2031 5,514,530 2,109,288
2030 5,488,472 2,114,024
2029 5,460,094 2,118,491
2028 5,429,936 2,122,680
2027 5,397,099 2,125,958
2026 5,361,990 2,128,778
2025 5,324,700 2,130,986
2024 5,290,000 2,127,400
2023 5,200,000 2,120,461
2022 5,081,700 2,112,076
2021 5,084,600 2,108,079
2020 5,072,400 2,102,419
2019 4,970,300 2,088,385
2018 4,900,600 2,073,894
2017 4,813,600 2,066,388
2016 4,714,100 2,065,042
2015 4,609,400 2,063,531
2014 4,516,500 2,061,980
2013 4,442,100 2,059,953
2012 4,408,100 2,057,159
2011 4,384,000 2,052,843
2010 4,350,700 2,048,583
2009 4,302,600 2,039,669
2008 4,259,800 2,021,316
2007 4,223,800 2,018,122
2006 4,184,600 2,006,868
2005 4,133,900 2,000,474
2004 4,087,500 1,997,012
2003 4,027,200 1,995,733
2002 3,948,500 1,994,530
2001 3,880,500 1,992,060
2000 3,857,700 1,988,925
1999 3,835,100 1,983,045
1998 3,815,000 1,981,629
1997 3,781,300 1,985,956
1996 3,732,000 1,988,628
1995 3,673,400 1,989,872
1994 3,620,000 1,989,443
1993 3,572,200 1,991,746
1992 3,531,700 1,996,498
1991 3,495,100 1,999,429
1990 3,329,800 1,998,161
1989 3,299,200 1,996,351
1988 3,283,400 1,995,196
1987 3,274,400 1,989,776
1986 3,246,300 1,965,964
1985 3,247,100 1,941,641
1984 3,227,100 1,932,154
1983 3,199,300 1,922,321
1982 3,156,100 1,910,334
1981 3,124,900 1,906,531
1980 3,112,900 1,901,315
1979 3,109,000 1,882,599
1978 3,121,200 1,862,548
1977 3,120,200 1,842,377
1976 3,110,500 1,820,249
1975 3,083,100 1,793,581
1974 3,023,700 1,776,132
1973 2,961,300 1,766,697
1972 2,903,900 1,752,233
1971 2,853,000 1,738,335
1970 2,810,700 1,724,891
1969 2,772,800 1,713,874
1968 2,748,100 1,704,546
1967 2,724,100 1,689,528
1966 2,675,900 1,669,905
1965 2,628,400 1,649,160
1964 2,585,400 1,632,114
1963 2,531,800 1,616,971
1962 2,482,000 1,603,649
1961 2,419,700 1,594,131
1960 2,371,800 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/new-zealand/slovenia | CC BY

From 2006 to 2016, the population of New Zealand increased by 529,500 people (a 12.7% growth), while Slovenia gained 58,174 people (a 2.9% growth).

For the next 10 years, from 2016 to 2026, New Zealand gained 665,924 people (a 14.1% growth), while Slovenia's population increased by 63,736 people (a 3.09% growth).

New Zealand was ranked 122nd most populous country in 2006 and is 124th 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) New Zealand's population will grow by 8.73% to 5,849,861 people with a rank change from 124th to 122nd. The population of Slovenia will decrease by 6.17% to 1,997,469 people and will still be ranked 147th.

New Zealand is projected to reach its peak in 2078 at 5.97M 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

New Zealand
Factual

Projection
Slovenia
Factual

Projection
1x
Year Growth rate
New Zealand Slovenia
2100 -0.07% -0.26%
2099 -0.07% -0.25%
2098 -0.05% -0.26%
2097 -0.04% -0.26%
2096 -0.03% -0.25%
2095 -0.02% -0.25%
2094 -0.04% -0.25%
2093 -0.005% -0.25%
2092 -0.03% -0.25%
2091 -0.02% -0.27%
2090 -0.05% -0.26%
2089 -0.01% -0.26%
2088 -0.05% -0.27%
2087 -0.05% -0.29%
2086 -0.06% -0.29%
2085 -0.06% -0.29%
2084 -0.08% -0.31%
2083 -0.06% -0.31%
2082 -0.03% -0.32%
2081 -0.04% -0.35%
2080 -0.02% -0.35%
2079 -0.01% -0.38%
2078 0.02% -0.38%
2077 0.007% -0.39%
2076 0.007% -0.41%
2075 0.02% -0.43%
2074 0.02% -0.46%
2073 0.07% -0.44%
2072 0.001% -0.46%
2071 0.01% -0.47%
2070 0.02% -0.5%
2069 0.03% -0.51%
2068 0.04% -0.49%
2067 0.07% -0.5%
2066 0.07% -0.52%
2065 0.06% -0.53%
2064 0.03% -0.51%
2063 0.07% -0.51%
2062 0.02% -0.52%
2061 0.06% -0.54%
2060 0.08% -0.52%
2059 0.09% -0.48%
2058 0.1% -0.51%
2057 0.11% -0.48%
2056 0.15% -0.48%
2055 0.16% -0.46%
2054 0.17% -0.44%
2053 0.15% -0.43%
2052 0.2% -0.41%
2051 0.19% -0.39%
2050 0.15% -0.37%
2049 0.19% -0.34%
2048 0.19% -0.34%
2047 0.21% -0.33%
2046 0.24% -0.33%
2045 0.26% -0.32%
2044 0.28% -0.31%
2043 0.31% -0.3%
2042 0.34% -0.28%
2041 0.32% -0.25%
2040 0.33% -0.26%
2039 0.35% -0.25%
2038 0.35% -0.28%
2037 0.36% -0.26%
2036 0.37% -0.25%
2035 0.37% -0.24%
2034 0.41% -0.25%
2033 0.42% -0.24%
2032 0.45% -0.24%
2031 0.47% -0.22%
2030 0.52% -0.21%
2029 0.56% -0.2%
2028 0.61% -0.15%
2027 0.65% -0.13%
2026 0.7% -0.1%
2025 0.66% 0.17%
2024 1.73% 0.33%
2023 2.33% 0.4%
2022 -0.06% 0.19%
2021 0.24% 0.27%
2020 2.05% 0.67%
2019 1.42% 0.7%
2018 1.81% 0.36%
2017 2.11% 0.07%
2016 2.27% 0.07%
2015 2.06% 0.08%
2014 1.67% 0.1%
2013 0.77% 0.14%
2012 0.55% 0.21%
2011 0.77% 0.21%
2010 1.12% 0.44%
2009 1% 0.91%
2008 0.85% 0.16%
2007 0.94% 0.56%
2006 1.23% 0.32%
2005 1.14% 0.17%
2004 1.5% 0.06%
2003 1.99% 0.06%
2002 1.75% 0.12%
2001 0.59% 0.16%
2000 0.59% 0.3%
1999 0.53% 0.07%
1998 0.89% -0.22%
1997 1.32% -0.13%
1996 1.6% -0.06%
1995 1.48% 0.02%
1994 1.34% -0.12%
1993 1.15% -0.24%
1992 1.05% -0.15%
1991 4.96% 0.06%
1990 0.93% 0.09%
1989 0.48% 0.06%
1988 0.27% 0.27%
1987 0.87% 1.21%
1986 -0.02% 1.25%
1985 0.62% 0.49%
1984 0.87% 0.51%
1983 1.37% 0.63%
1982 1% 0.2%
1981 0.39% 0.27%
1980 0.13% 0.99%
1979 -0.39% 1.08%
1978 0.03% 1.09%
1977 0.31% 1.22%
1976 0.89% 1.49%
1975 1.96% 0.98%
1974 2.11% 0.53%
1973 1.98% 0.83%
1972 1.78% 0.8%
1971 1.5% 0.78%
1970 1.37% 0.64%
1969 0.9% 0.55%
1968 0.88% 0.89%
1967 1.8% 1.18%
1966 1.81% 1.26%
1965 1.66% 1.04%
1964 2.12% 0.94%
1963 2.01% 0.83%
1962 2.57% 0.6%
1961 2.02% 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/new-zealand/slovenia | CC BY

In 2025, the population of New Zealand grew by 0.66%, while Slovenia's population grew by 0.17%.

Live population counters

New Zealand Slovenia
Current population
5380024
2128778
Population rank 124/197 147/197
Percent of world population 0.06% 0.03%
One net population change
15.2 minutes
2.45 hours
One birth every
9.01 minutes
31.3 minutes
One death every
13.9 minutes
24.5 minutes
Daily growth/decline +95 +10
Annual growth/decline +34,700 +3,586
Annual growth/decline rate +0.66% +0.17%
Population growth rate rank 118/197 153/197
One migration net change every
30.3 minutes
3.24 hours
Annual migration change +17,403 +2,711
Net migration rank 35/196 55/196
Foreign-born residents 1,467,989 315,122
Foreign-born residents rank 45/195 97/195
Foreign-born share of population 28.2% 14.9%
Foreign-born share rank 20/195 44/195

Natural population change vs migration

New Zealand
Natural

Migration
Slovenia
Natural

Migration
1x
Year Population change
New Zealand Slovenia
Natural Migration Natural Migration
2025 - 17,403 - 2,711
2024 20,631 18,766 -4,680 3,319
2023 19,031 21,404 -4,665 5,339
2022 20,276 21,404 -4,858 9,014
2021 23,745 -14,944 -4,216 2,477
2020 25,007 42,124 -5,256 28,514
2019 25,349 69,770 -1,254 16,352
2018 24,797 59,139 -1,037 14,640
2017 26,282 68,349 -207 1,359
2016 28,237 75,512 826 1,195
2015 29,408 70,870 826 712
2014 26,196 57,974 2,268 -70
2013 29,096 26,385 1,648 639
2012 31,077 -1,015 2,674 1,117
2011 31,302 -2,196 3,285 2,190
2010 35,458 6,722 3,687 -410
2009 33,560 12,700 3,060 11,594
2008 35,143 4,804 3,437 2,971
2007 35,480 3,053 1,211 14,191
2006 30,924 14,542 602 6,081
2005 30,674 19,212 -600 6,317
2004 29,634 24,521 -599 1,759
2003 28,150 42,456 -1,996 3,218
2002 25,941 48,195 -1,197 1,975
2001 27,939 17,793 -996 4,527
2000 29,897 -6,604 -398 3,124
1999 28,916 -7,634 -1,388 10,291
1998 29,146 -1,387 -1,189 -5,280
1997 30,137 12,040 -794 -1,298
1996 28,997 25,169 0 -2,456
1995 29,828 26,743 0 356
1994 30,372 20,420 199 -153
1993 31,685 12,638 -199 -4,641
1992 32,067 6,460 598 -5,547
1991 33,518 31,156 2,199 -3,325
1990 33,298 70,432 3,797 618
1989 30,749 -8,818 4,592 -2,718
1988 29,846 -17,005 5,986 -3,023
1987 27,603 -7,631 5,771 2,972
1986 25,549 -10,234 6,094 32,700
1985 24,126 -13,462 6,213 3,404
1984 26,043 -901 5,990 3,280
1983 24,315 11,464 6,343 3,613
1982 24,207 7,982 9,170 -8,695
1981 25,374 -7,606 10,485 -5,016
1980 23,658 -15,423 11,027 3,128
1979 26,675 -26,694 12,614 2,107
1978 26,156 -28,783 11,920 2,113
1977 28,020 -22,697 12,160 2,584
1976 29,456 -9,138 12,196 2,226
1975 31,355 13,196 11,658 2,421
1974 33,896 27,580 11,367 3,145
1973 35,239 28,261 11,837 2,175
1972 38,244 17,779 10,513 2,924
1971 40,000 7,547 10,951 2,286
1970 37,101 4,511 10,004 260
1969 38,098 -5,212 9,427 685
1968 37,594 -11,853 11,250 438
1967 37,974 -2,289 13,516 -192
1966 36,151 9,161 15,697 -1,262
1965 36,982 9,245 14,513 -1,421
1964 39,375 9,806 12,567 -349
1963 42,027 10,226 14,068 -180
1962 42,865 12,697 13,150 148
1961 43,482 10,689 14,985 -306
1960 41,791 3,846 12,678 -929

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

GeoRank.org/population/new-zealand/slovenia | CC BY

Over the last 10 years, 36% of the population change in New Zealand is from natural causes (a gain of 242,763 people) and 64% is from migration (a gain of 432,394 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, 1,467,989 residents or 28.2% of the population were not native-born in New Zealand, compared to 315,122 people or 14.9% in Slovenia.

Biggest cities by population

New Zealand
City Population
Auckland 1.47M
Christchurch 383K
Wellington 216K
Hamilton 176K
Tauranga 151K
Dunedin 106K
Lower Hutt 103K
Palmerston North 81.5K
Napier 66.3K
Hibiscus Coast 59.8K
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/new-zealand/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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