The latest officially reported population of Nauru was 12,025 in 2025 vs 2,130,986 people in Slovenia in 2025. In 2026, based on the adjusted UN estimation, the current Nauru's population is 12,139 people compared to 2,128,778 in Slovenia.
Population statistics:
- Slovenia's population is 175.4 times bigger than Nauru's.
- Nauru is ranked the 195th most populous country in the world, while Slovenia is the 147th.
- The countries together account for 0.03% of the world: 0.0001% for Nauru vs 0.03% for Slovenia.
- For the last 10 years, Nauru has had an average growth rate of +1.03% per year vs +0.3% in Slovenia.
- Since 2006, the population of Nauru has increased from 10K people to 12.1K (21% growth), while Slovenia has grown from 2.01M to 2.13M (6.07% growth).
Nauru vs Slovenia: population by year and forecast
| Year | Population | |
|---|---|---|
Nauru
|
Slovenia
|
|
| 2100 | 20,708 | 1,644,125 |
| 2099 | 20,677 | 1,648,345 |
| 2098 | 20,636 | 1,652,436 |
| 2097 | 20,596 | 1,656,808 |
| 2096 | 20,561 | 1,661,055 |
| 2095 | 20,526 | 1,665,286 |
| 2094 | 20,479 | 1,669,464 |
| 2093 | 20,423 | 1,673,724 |
| 2092 | 20,377 | 1,677,938 |
| 2091 | 20,332 | 1,682,129 |
| 2090 | 20,276 | 1,686,674 |
| 2089 | 20,210 | 1,691,063 |
| 2088 | 20,143 | 1,695,484 |
| 2087 | 20,087 | 1,700,115 |
| 2086 | 20,019 | 1,705,042 |
| 2085 | 19,950 | 1,709,916 |
| 2084 | 19,872 | 1,714,895 |
| 2083 | 19,787 | 1,720,145 |
| 2082 | 19,700 | 1,725,470 |
| 2081 | 19,603 | 1,731,075 |
| 2080 | 19,517 | 1,737,192 |
| 2079 | 19,411 | 1,743,318 |
| 2078 | 19,304 | 1,749,967 |
| 2077 | 19,198 | 1,756,612 |
| 2076 | 19,089 | 1,763,483 |
| 2075 | 18,978 | 1,770,727 |
| 2074 | 18,866 | 1,778,405 |
| 2073 | 18,750 | 1,786,591 |
| 2072 | 18,630 | 1,794,570 |
| 2071 | 18,527 | 1,802,890 |
| 2070 | 18,388 | 1,811,432 |
| 2069 | 18,281 | 1,820,576 |
| 2068 | 18,160 | 1,829,837 |
| 2067 | 18,017 | 1,838,874 |
| 2066 | 17,896 | 1,848,063 |
| 2065 | 17,769 | 1,857,701 |
| 2064 | 17,641 | 1,867,621 |
| 2063 | 17,516 | 1,877,265 |
| 2062 | 17,394 | 1,886,945 |
| 2061 | 17,260 | 1,896,873 |
| 2060 | 17,129 | 1,907,096 |
| 2059 | 17,006 | 1,917,040 |
| 2058 | 16,874 | 1,926,374 |
| 2057 | 16,745 | 1,936,340 |
| 2056 | 16,605 | 1,945,710 |
| 2055 | 16,465 | 1,955,123 |
| 2054 | 16,328 | 1,964,235 |
| 2053 | 16,186 | 1,972,942 |
| 2052 | 16,042 | 1,981,547 |
| 2051 | 15,881 | 1,989,616 |
| 2050 | 15,731 | 1,997,469 |
| 2049 | 15,565 | 2,004,847 |
| 2048 | 15,405 | 2,011,668 |
| 2047 | 15,234 | 2,018,540 |
| 2046 | 15,058 | 2,025,170 |
| 2045 | 14,888 | 2,031,795 |
| 2044 | 14,712 | 2,038,314 |
| 2043 | 14,539 | 2,044,630 |
| 2042 | 14,357 | 2,050,809 |
| 2041 | 14,174 | 2,056,524 |
| 2040 | 13,990 | 2,061,772 |
| 2039 | 13,821 | 2,067,224 |
| 2038 | 13,666 | 2,072,439 |
| 2037 | 13,507 | 2,078,235 |
| 2036 | 13,358 | 2,083,743 |
| 2035 | 13,190 | 2,089,024 |
| 2034 | 13,035 | 2,093,994 |
| 2033 | 12,888 | 2,099,177 |
| 2032 | 12,753 | 2,104,208 |
| 2031 | 12,619 | 2,109,288 |
| 2030 | 12,499 | 2,114,024 |
| 2029 | 12,381 | 2,118,491 |
| 2028 | 12,286 | 2,122,680 |
| 2027 | 12,177 | 2,125,958 |
| 2026 | 12,100 | 2,128,778 |
| 2025 | 12,025 | 2,130,986 |
| 2024 | 11,947 | 2,127,400 |
| 2023 | 11,875 | 2,120,461 |
| 2022 | 11,801 | 2,112,076 |
| 2021 | 11,709 | 2,108,079 |
| 2020 | 11,643 | 2,102,419 |
| 2019 | 11,587 | 2,088,385 |
| 2018 | 11,477 | 2,073,894 |
| 2017 | 11,324 | 2,066,388 |
| 2016 | 11,150 | 2,065,042 |
| 2015 | 10,954 | 2,063,531 |
| 2014 | 10,742 | 2,061,980 |
| 2013 | 10,517 | 2,059,953 |
| 2012 | 10,267 | 2,057,159 |
| 2011 | 10,098 | 2,052,843 |
| 2010 | 10,043 | 2,048,583 |
| 2009 | 10,016 | 2,039,669 |
| 2008 | 10,009 | 2,021,316 |
| 2007 | 10,020 | 2,018,122 |
| 2006 | 10,034 | 2,006,868 |
| 2005 | 10,049 | 2,000,474 |
| 2004 | 10,060 | 1,997,012 |
| 2003 | 10,059 | 1,995,733 |
| 2002 | 10,082 | 1,994,530 |
| 2001 | 10,130 | 1,992,060 |
| 2000 | 10,168 | 1,988,925 |
| 1999 | 10,187 | 1,983,045 |
| 1998 | 10,198 | 1,981,629 |
| 1997 | 10,197 | 1,985,956 |
| 1996 | 10,183 | 1,988,628 |
| 1995 | 10,165 | 1,989,872 |
| 1994 | 10,137 | 1,989,443 |
| 1993 | 10,102 | 1,991,746 |
| 1992 | 10,021 | 1,996,498 |
| 1991 | 9,850 | 1,999,429 |
| 1990 | 9,622 | 1,998,161 |
| 1989 | 9,390 | 1,996,351 |
| 1988 | 9,165 | 1,995,196 |
| 1987 | 8,946 | 1,989,776 |
| 1986 | 8,742 | 1,965,964 |
| 1985 | 8,551 | 1,941,641 |
| 1984 | 8,377 | 1,932,154 |
| 1983 | 8,216 | 1,922,321 |
| 1982 | 8,040 | 1,910,334 |
| 1981 | 7,839 | 1,906,531 |
| 1980 | 7,649 | 1,901,315 |
| 1979 | 7,468 | 1,882,599 |
| 1978 | 7,298 | 1,862,548 |
| 1977 | 7,163 | 1,842,377 |
| 1976 | 7,064 | 1,820,249 |
| 1975 | 6,987 | 1,793,581 |
| 1974 | 6,923 | 1,776,132 |
| 1973 | 6,866 | 1,766,697 |
| 1972 | 6,812 | 1,752,233 |
| 1971 | 6,762 | 1,738,335 |
| 1970 | 6,710 | 1,724,891 |
| 1969 | 6,581 | 1,713,874 |
| 1968 | 6,328 | 1,704,546 |
| 1967 | 6,135 | 1,689,528 |
| 1966 | 6,043 | 1,669,905 |
| 1965 | 5,832 | 1,649,160 |
| 1964 | 5,515 | 1,632,114 |
| 1963 | 5,226 | 1,616,971 |
| 1962 | 4,979 | 1,603,649 |
| 1961 | 4,774 | 1,594,131 |
| 1960 | 4,607 | 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/nauru/slovenia | CC BY 
From 2006 to 2016, the population of Nauru increased by 1,116 people (a 11.1% growth), while Slovenia gained 58,174 people (a 2.9% growth).
For the next 10 years, from 2016 to 2026, Nauru gained 989 people (a 8.87% growth), while Slovenia's population increased by 63,736 people (a 3.09% growth).
Nauru was ranked 196th most populous country in 2006 and is 195th 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) Nauru's population will grow by 29.6% to 15,731 people with a rank change from 195th to 194th. The population of Slovenia will decrease by 6.17% to 1,997,469 people and will still be ranked 147th.
Nauru is projected to reach its peak in 2100 at 20.7K 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
| Year | Growth rate | |
|---|---|---|
|
Nauru
|
Slovenia
|
|
| 2100 | 0.15% | -0.26% |
| 2099 | 0.2% | -0.25% |
| 2098 | 0.19% | -0.26% |
| 2097 | 0.17% | -0.26% |
| 2096 | 0.17% | -0.25% |
| 2095 | 0.23% | -0.25% |
| 2094 | 0.27% | -0.25% |
| 2093 | 0.23% | -0.25% |
| 2092 | 0.22% | -0.25% |
| 2091 | 0.28% | -0.27% |
| 2090 | 0.33% | -0.26% |
| 2089 | 0.33% | -0.26% |
| 2088 | 0.28% | -0.27% |
| 2087 | 0.34% | -0.29% |
| 2086 | 0.35% | -0.29% |
| 2085 | 0.39% | -0.29% |
| 2084 | 0.43% | -0.31% |
| 2083 | 0.44% | -0.31% |
| 2082 | 0.5% | -0.32% |
| 2081 | 0.44% | -0.35% |
| 2080 | 0.54% | -0.35% |
| 2079 | 0.56% | -0.38% |
| 2078 | 0.55% | -0.38% |
| 2077 | 0.57% | -0.39% |
| 2076 | 0.59% | -0.41% |
| 2075 | 0.6% | -0.43% |
| 2074 | 0.62% | -0.46% |
| 2073 | 0.65% | -0.44% |
| 2072 | 0.56% | -0.46% |
| 2071 | 0.75% | -0.47% |
| 2070 | 0.59% | -0.5% |
| 2069 | 0.66% | -0.51% |
| 2068 | 0.8% | -0.49% |
| 2067 | 0.68% | -0.5% |
| 2066 | 0.71% | -0.52% |
| 2065 | 0.73% | -0.53% |
| 2064 | 0.71% | -0.51% |
| 2063 | 0.7% | -0.51% |
| 2062 | 0.78% | -0.52% |
| 2061 | 0.76% | -0.54% |
| 2060 | 0.73% | -0.52% |
| 2059 | 0.78% | -0.48% |
| 2058 | 0.77% | -0.51% |
| 2057 | 0.85% | -0.48% |
| 2056 | 0.85% | -0.48% |
| 2055 | 0.84% | -0.46% |
| 2054 | 0.87% | -0.44% |
| 2053 | 0.9% | -0.43% |
| 2052 | 1.01% | -0.41% |
| 2051 | 0.96% | -0.39% |
| 2050 | 1.06% | -0.37% |
| 2049 | 1.04% | -0.34% |
| 2048 | 1.12% | -0.34% |
| 2047 | 1.17% | -0.33% |
| 2046 | 1.14% | -0.33% |
| 2045 | 1.2% | -0.32% |
| 2044 | 1.19% | -0.31% |
| 2043 | 1.27% | -0.3% |
| 2042 | 1.29% | -0.28% |
| 2041 | 1.32% | -0.25% |
| 2040 | 1.22% | -0.26% |
| 2039 | 1.14% | -0.25% |
| 2038 | 1.17% | -0.28% |
| 2037 | 1.12% | -0.26% |
| 2036 | 1.27% | -0.25% |
| 2035 | 1.19% | -0.24% |
| 2034 | 1.14% | -0.25% |
| 2033 | 1.06% | -0.24% |
| 2032 | 1.06% | -0.24% |
| 2031 | 0.96% | -0.22% |
| 2030 | 0.96% | -0.21% |
| 2029 | 0.77% | -0.2% |
| 2028 | 0.9% | -0.15% |
| 2027 | 0.64% | -0.13% |
| 2026 | 0.63% | -0.1% |
| 2025 | 0.65% | 0.17% |
| 2024 | 0.61% | 0.33% |
| 2023 | 0.63% | 0.4% |
| 2022 | 0.79% | 0.19% |
| 2021 | 0.57% | 0.27% |
| 2020 | 0.48% | 0.67% |
| 2019 | 0.96% | 0.7% |
| 2018 | 1.35% | 0.36% |
| 2017 | 1.56% | 0.07% |
| 2016 | 1.79% | 0.07% |
| 2015 | 1.97% | 0.08% |
| 2014 | 2.14% | 0.1% |
| 2013 | 2.43% | 0.14% |
| 2012 | 1.67% | 0.21% |
| 2011 | 0.55% | 0.21% |
| 2010 | 0.27% | 0.44% |
| 2009 | 0.07% | 0.91% |
| 2008 | -0.11% | 0.16% |
| 2007 | -0.14% | 0.56% |
| 2006 | -0.15% | 0.32% |
| 2005 | -0.11% | 0.17% |
| 2004 | 0.01% | 0.06% |
| 2003 | -0.23% | 0.06% |
| 2002 | -0.47% | 0.12% |
| 2001 | -0.37% | 0.16% |
| 2000 | -0.19% | 0.3% |
| 1999 | -0.11% | 0.07% |
| 1998 | 0.01% | -0.22% |
| 1997 | 0.14% | -0.13% |
| 1996 | 0.18% | -0.06% |
| 1995 | 0.28% | 0.02% |
| 1994 | 0.35% | -0.12% |
| 1993 | 0.81% | -0.24% |
| 1992 | 1.74% | -0.15% |
| 1991 | 2.37% | 0.06% |
| 1990 | 2.47% | 0.09% |
| 1989 | 2.45% | 0.06% |
| 1988 | 2.45% | 0.27% |
| 1987 | 2.33% | 1.21% |
| 1986 | 2.23% | 1.25% |
| 1985 | 2.08% | 0.49% |
| 1984 | 1.96% | 0.51% |
| 1983 | 2.19% | 0.63% |
| 1982 | 2.56% | 0.2% |
| 1981 | 2.48% | 0.27% |
| 1980 | 2.42% | 0.99% |
| 1979 | 2.33% | 1.08% |
| 1978 | 1.88% | 1.09% |
| 1977 | 1.4% | 1.22% |
| 1976 | 1.1% | 1.49% |
| 1975 | 0.92% | 0.98% |
| 1974 | 0.83% | 0.53% |
| 1973 | 0.79% | 0.83% |
| 1972 | 0.74% | 0.8% |
| 1971 | 0.77% | 0.78% |
| 1970 | 1.96% | 0.64% |
| 1969 | 4% | 0.55% |
| 1968 | 3.15% | 0.89% |
| 1967 | 1.52% | 1.18% |
| 1966 | 3.62% | 1.26% |
| 1965 | 5.75% | 1.04% |
| 1964 | 5.53% | 0.94% |
| 1963 | 4.96% | 0.83% |
| 1962 | 4.29% | 0.6% |
| 1961 | 3.62% | 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/nauru/slovenia | CC BY
In 2025, the population of Nauru grew by 0.65%, while Slovenia's population grew by 0.17%.
Live population counters
|
Nauru
|
Slovenia
|
|
|---|---|---|
| Current population |
12139
|
2128778
|
| Population rank | 195/197 | 147/197 |
| Percent of world population | 0.0001% | 0.03% |
| One net population change |
4.69 days
|
2.45 hours
|
| One birth every |
1.25 days
|
31.3 minutes
|
| One death every |
4.06 days
|
24.5 minutes
|
| Daily growth/decline | +0 | +10 |
| Annual growth/decline | +78 | +3,586 |
| Annual growth/decline rate | +0.65% | +0.17% |
| Population growth rate rank | 119/197 | 153/197 |
| One migration net change every |
3 days
|
3.24 hours
|
| Annual migration change | -122 | +2,711 |
| Net migration rank | 82/196 | 55/196 |
| Foreign-born residents | 2,548 | 315,122 |
| Foreign-born residents rank | 191/195 | 97/195 |
| Foreign-born share of population | 21.3% | 14.9% |
| Foreign-born share rank | 29/195 | 44/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Nauru
|
Slovenia
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | -122 | - | 2,711 |
| 2024 | 203 | -121 | -4,680 | 3,319 |
| 2023 | 213 | -148 | -4,665 | 5,339 |
| 2022 | 226 | -144 | -4,858 | 9,014 |
| 2021 | 236 | -137 | -4,216 | 2,477 |
| 2020 | 246 | -214 | -5,256 | 28,514 |
| 2019 | 255 | -171 | -1,254 | 16,352 |
| 2018 | 265 | -131 | -1,037 | 14,640 |
| 2017 | 279 | -115 | -207 | 1,359 |
| 2016 | 289 | -105 | 826 | 1,195 |
| 2015 | 291 | -86 | 826 | 712 |
| 2014 | 290 | -69 | 2,268 | -70 |
| 2013 | 291 | -53 | 1,648 | 639 |
| 2012 | 292 | -38 | 2,674 | 1,117 |
| 2011 | 291 | -206 | 3,285 | 2,190 |
| 2010 | 281 | -246 | 3,687 | -410 |
| 2009 | 261 | -249 | 3,060 | 11,594 |
| 2008 | 240 | -243 | 3,437 | 2,971 |
| 2007 | 222 | -235 | 1,211 | 14,191 |
| 2006 | 209 | -224 | 602 | 6,081 |
| 2005 | 204 | -217 | -600 | 6,317 |
| 2004 | 202 | -210 | -599 | 1,759 |
| 2003 | 201 | -199 | -1,996 | 3,218 |
| 2002 | 200 | -247 | -1,197 | 1,975 |
| 2001 | 203 | -252 | -996 | 4,527 |
| 2000 | 207 | -236 | -398 | 3,124 |
| 1999 | 212 | -227 | -1,388 | 10,291 |
| 1998 | 214 | -217 | -1,189 | -5,280 |
| 1997 | 218 | -209 | -794 | -1,298 |
| 1996 | 221 | -204 | 0 | -2,456 |
| 1995 | 225 | -201 | 0 | 356 |
| 1994 | 229 | -196 | 199 | -153 |
| 1993 | 235 | -194 | -199 | -4,641 |
| 1992 | 237 | -121 | 598 | -5,547 |
| 1991 | 225 | 0 | 2,199 | -3,325 |
| 1990 | 214 | 20 | 3,797 | 618 |
| 1989 | 204 | 24 | 4,592 | -2,718 |
| 1988 | 195 | 29 | 5,986 | -3,023 |
| 1987 | 186 | 27 | 5,771 | 2,972 |
| 1986 | 178 | 21 | 6,094 | 32,700 |
| 1985 | 171 | 8 | 6,213 | 3,404 |
| 1984 | 166 | -2 | 5,990 | 3,280 |
| 1983 | 163 | -5 | 6,343 | 3,613 |
| 1982 | 162 | 30 | 9,170 | -8,695 |
| 1981 | 157 | 44 | 10,485 | -5,016 |
| 1980 | 145 | 44 | 11,027 | 3,128 |
| 1979 | 130 | 48 | 12,614 | 2,107 |
| 1978 | 111 | 40 | 11,920 | 2,113 |
| 1977 | 89 | 32 | 12,160 | 2,584 |
| 1976 | 79 | 0 | 12,196 | 2,226 |
| 1975 | 70 | 0 | 11,658 | 2,421 |
| 1974 | 63 | 0 | 11,367 | 3,145 |
| 1973 | 57 | 0 | 11,837 | 2,175 |
| 1972 | 53 | 0 | 10,513 | 2,924 |
| 1971 | 50 | 0 | 10,951 | 2,286 |
| 1970 | 49 | 0 | 10,004 | 260 |
| 1969 | 71 | 132 | 9,427 | 685 |
| 1968 | 116 | 180 | 11,250 | 438 |
| 1967 | 117 | -28 | 13,516 | -192 |
| 1966 | 123 | -32 | 15,697 | -1,262 |
| 1965 | 113 | 218 | 14,513 | -1,421 |
| 1964 | 100 | 203 | 12,567 | -349 |
| 1963 | 88 | 181 | 14,068 | -180 |
| 1962 | 75 | 158 | 13,150 | 148 |
| 1961 | 70 | 120 | 14,985 | -306 |
| 1960 | 72 | 76 | 12,678 | -929 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).
GeoRank.org/population/nauru/slovenia | CC BY
Over the last 10 years, 64.6% of the population change in Nauru is from natural causes (a gain of 2,503 people) and 35.4% is from migration (a loss of 1,372 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, 2,548 residents or 21.3% of the population were not native-born in Nauru, compared to 315,122 people or 14.9% in Slovenia.
Biggest cities by population
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Population differences between Nauru and Slovenia
|
Nauru
|
Slovenia
|
|
|---|---|---|
| Life expectancy | 62.6 years | 82.1 years |
| Average age | 25.5 years | 44.2 years |
| Median age | 21.3 years | 45.7 years |
| Male:Female ratio | 50.9:49.1 | 50.3:49.7 |
| Fertility rate | 3.29 births per woman | 1.52 births per woman |
| Population density | 1,567 ppl/mi² | 273.8 ppl/mi² |
Population map with other countries
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/nauru/slovenia | CC BY
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Data sources:
- World Bank | Health (1960–2025, retrieved 2026-07-08)
- United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
- U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
- Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
- Wikidata (2026, retrieved 2026-07-08)
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