| Source | UN (World Population Prospects 2019) |
| Date | 23 Aug 2021 |
The current population of Slovenia is 2,077,529 as of May 31, 2023, based on interpolation of the latest United Nations data. The population of Slovenia is projected at 2,078,724 or 2.078 million as of July 1, 2021. The total population in Slovenia is projected at 2,078,938 or 2.078 million people for the year 2020. Slovenia ranks number 149th in the world by population in the list of 235 countries/territories. Slovenia is ranked 33rd among 48 countries in Europe.
Slovenia's population peaked in 2020 with 2.07 mn people after Slovenia's population decreased year by year. The Slovenia population is projected to reach 2.05 million in 2030 and decrease further to 1.93 million in 2050 and 1.67 million by 2100. Slovenia accounts for 0.026 percent of the world population. Its global share has been declining since 0.057% of 1951 and is projected to decline at 0.015% by 2100.
Slovenia was at 120th position globally in 1950, and its rank is projected to decline at 151th in 2100.
| Year | Population | Growth | Share (%) | |
|---|---|---|---|---|
| Net Change | rate (%) | to World | ||
| 2020 | 2,078,938 | 284 | 0.01 | 0.027 |
| 2021 | 2,078,724 | -214 | -0.01 | 0.026 |
| 2022 | 2,078,034 | -690 | -0.03 | 0.026 |
| 2023 | 2,076,870 | -1,164 | -0.06 | 0.026 |
| 2024 | 2,075,211 | -1,659 | -0.08 | 0.026 |
| 2025 | 2,073,062 | -2,149 | -0.10 | 0.025 |
| 2026 | 2,070,451 | -2,611 | -0.13 | 0.025 |
| 2027 | 2,067,401 | -3,050 | -0.15 | 0.025 |
| 2028 | 2,063,973 | -3,428 | -0.17 | 0.025 |
| 2029 | 2,060,215 | -3,758 | -0.18 | 0.024 |
| 2030 | 2,056,193 | -4,022 | -0.20 | 0.024 |
| 2031 | 2,051,913 | -4,280 | -0.21 | 0.024 |
| 2032 | 2,047,401 | -4,512 | -0.22 | 0.024 |
| 2033 | 2,042,684 | -4,717 | -0.23 | 0.023 |
| 2034 | 2,037,790 | -4,894 | -0.24 | 0.023 |
| 2035 | 2,032,744 | -5,046 | -0.25 | 0.023 |
| 2036 | 2,027,558 | -5,186 | -0.26 | 0.023 |
| 2037 | 2,022,250 | -5,308 | -0.26 | 0.022 |
| 2038 | 2,016,815 | -5,435 | -0.27 | 0.022 |
| 2039 | 2,011,237 | -5,578 | -0.28 | 0.022 |
| 2040 | 2,005,519 | -5,718 | -0.28 | 0.022 |
| 2041 | 1,999,663 | -5,856 | -0.29 | 0.022 |
| 2042 | 1,993,676 | -5,987 | -0.30 | 0.021 |
| 2043 | 1,987,540 | -6,136 | -0.31 | 0.021 |
| 2044 | 1,981,228 | -6,312 | -0.32 | 0.021 |
| 2045 | 1,974,734 | -6,494 | -0.33 | 0.021 |
| 2046 | 1,968,056 | -6,678 | -0.34 | 0.021 |
| 2047 | 1,961,193 | -6,863 | -0.35 | 0.020 |
| 2048 | 1,954,160 | -7,033 | -0.36 | 0.020 |
| 2049 | 1,946,954 | -7,206 | -0.37 | 0.020 |
| 2050 | 1,939,592 | -7,362 | -0.38 | 0.020 |
| 2051 | 1,932,082 | -7,510 | -0.39 | 0.020 |
| 2052 | 1,924,416 | -7,666 | -0.40 | 0.020 |
| 2053 | 1,916,623 | -7,793 | -0.40 | 0.019 |
| 2054 | 1,908,702 | -7,921 | -0.41 | 0.019 |
| 2055 | 1,900,669 | -8,033 | -0.42 | 0.019 |
| 2056 | 1,892,536 | -8,133 | -0.43 | 0.019 |
| 2057 | 1,884,312 | -8,224 | -0.43 | 0.019 |
| 2058 | 1,876,024 | -8,288 | -0.44 | 0.019 |
| 2059 | 1,867,691 | -8,333 | -0.44 | 0.018 |
| 2060 | 1,859,341 | -8,350 | -0.45 | 0.018 |
| 2061 | 1,850,983 | -8,358 | -0.45 | 0.018 |
| 2062 | 1,842,652 | -8,331 | -0.45 | 0.018 |
| 2063 | 1,834,347 | -8,305 | -0.45 | 0.018 |
| 2064 | 1,826,110 | -8,237 | -0.45 | 0.018 |
| 2065 | 1,817,949 | -8,161 | -0.45 | 0.018 |
| 2066 | 1,809,897 | -8,052 | -0.44 | 0.017 |
| 2067 | 1,801,960 | -7,937 | -0.44 | 0.017 |
| 2068 | 1,794,182 | -7,778 | -0.43 | 0.017 |
| 2069 | 1,786,581 | -7,601 | -0.42 | 0.017 |
| 2070 | 1,779,182 | -7,399 | -0.41 | 0.017 |
| 2071 | 1,772,015 | -7,167 | -0.40 | 0.017 |
| 2072 | 1,765,079 | -6,936 | -0.39 | 0.017 |
| 2073 | 1,758,415 | -6,664 | -0.38 | 0.017 |
| 2074 | 1,752,021 | -6,394 | -0.36 | 0.017 |
| 2075 | 1,745,938 | -6,083 | -0.35 | 0.017 |
| 2076 | 1,740,157 | -5,781 | -0.33 | 0.016 |
| 2077 | 1,734,702 | -5,455 | -0.31 | 0.016 |
| 2078 | 1,729,571 | -5,131 | -0.30 | 0.016 |
| 2079 | 1,724,789 | -4,782 | -0.28 | 0.016 |
| 2080 | 1,720,349 | -4,440 | -0.26 | 0.016 |
| 2081 | 1,716,264 | -4,085 | -0.24 | 0.016 |
| 2082 | 1,712,513 | -3,751 | -0.22 | 0.016 |
| 2083 | 1,709,084 | -3,429 | -0.20 | 0.016 |
| 2084 | 1,705,969 | -3,115 | -0.18 | 0.016 |
| 2085 | 1,703,140 | -2,829 | -0.17 | 0.016 |
| 2086 | 1,700,575 | -2,565 | -0.15 | 0.016 |
| 2087 | 1,698,259 | -2,316 | -0.14 | 0.016 |
| 2088 | 1,696,158 | -2,101 | -0.12 | 0.016 |
| 2089 | 1,694,229 | -1,929 | -0.11 | 0.016 |
| 2090 | 1,692,440 | -1,789 | -0.11 | 0.016 |
| 2091 | 1,690,759 | -1,681 | -0.10 | 0.016 |
| 2092 | 1,689,154 | -1,605 | -0.09 | 0.016 |
| 2093 | 1,687,614 | -1,540 | -0.09 | 0.016 |
| 2094 | 1,686,110 | -1,504 | -0.09 | 0.016 |
| 2095 | 1,684,620 | -1,490 | -0.09 | 0.016 |
| 2096 | 1,683,121 | -1,499 | -0.09 | 0.016 |
| 2097 | 1,681,573 | -1,548 | -0.09 | 0.015 |
| 2098 | 1,679,947 | -1,626 | -0.10 | 0.015 |
| 2099 | 1,678,189 | -1,758 | -0.10 | 0.015 |
| 2100 | 1,676,258 | -1,931 | -0.12 | 0.015 |
| Year | Population | Growth | Share (%) | |
|---|---|---|---|---|
| Net Change | rate (%) | to World | ||
| 1950 | 1,473,093 | - | - | 0.058 |
| 1951 | 1,481,633 | 8,540 | 0.58 | 0.057 |
| 1952 | 1,491,673 | 10,040 | 0.68 | 0.057 |
| 1953 | 1,502,843 | 11,170 | 0.75 | 0.056 |
| 1954 | 1,514,783 | 11,940 | 0.79 | 0.056 |
| 1955 | 1,527,205 | 12,422 | 0.82 | 0.055 |
| 1956 | 1,539,785 | 12,580 | 0.82 | 0.055 |
| 1957 | 1,552,253 | 12,468 | 0.81 | 0.054 |
| 1958 | 1,564,356 | 12,103 | 0.78 | 0.053 |
| 1959 | 1,575,872 | 11,516 | 0.74 | 0.053 |
| 1960 | 1,586,637 | 10,765 | 0.68 | 0.052 |
| 1961 | 1,596,556 | 9,919 | 0.63 | 0.052 |
| 1962 | 1,605,645 | 9,089 | 0.57 | 0.051 |
| 1963 | 1,614,020 | 8,375 | 0.52 | 0.050 |
| 1964 | 1,621,878 | 7,858 | 0.49 | 0.050 |
| 1965 | 1,629,433 | 7,555 | 0.47 | 0.049 |
| 1966 | 1,636,667 | 7,234 | 0.44 | 0.048 |
| 1967 | 1,643,699 | 7,032 | 0.43 | 0.047 |
| 1968 | 1,651,093 | 7,394 | 0.45 | 0.046 |
| 1969 | 1,659,554 | 8,461 | 0.51 | 0.046 |
| 1970 | 1,669,581 | 10,027 | 0.60 | 0.045 |
| 1971 | 1,681,427 | 11,846 | 0.71 | 0.045 |
| 1972 | 1,694,974 | 13,547 | 0.81 | 0.044 |
| 1973 | 1,709,976 | 15,002 | 0.89 | 0.044 |
| 1974 | 1,725,963 | 15,987 | 0.93 | 0.043 |
| 1975 | 1,742,623 | 16,660 | 0.97 | 0.043 |
| 1976 | 1,759,729 | 17,106 | 0.98 | 0.042 |
| 1977 | 1,777,315 | 17,586 | 1.00 | 0.042 |
| 1978 | 1,795,645 | 18,330 | 1.03 | 0.042 |
| 1979 | 1,815,095 | 19,450 | 1.08 | 0.041 |
| 1980 | 1,835,831 | 20,736 | 1.14 | 0.041 |
| 1981 | 1,857,852 | 22,021 | 1.20 | 0.041 |
| 1982 | 1,880,702 | 22,850 | 1.23 | 0.041 |
| 1983 | 1,903,545 | 22,843 | 1.21 | 0.041 |
| 1984 | 1,925,309 | 21,764 | 1.14 | 0.040 |
| 1985 | 1,945,130 | 19,821 | 1.03 | 0.040 |
| 1986 | 1,962,873 | 17,743 | 0.91 | 0.040 |
| 1987 | 1,978,505 | 15,632 | 0.80 | 0.039 |
| 1988 | 1,991,399 | 12,894 | 0.65 | 0.039 |
| 1989 | 2,000,825 | 9,426 | 0.47 | 0.038 |
| 1990 | 2,006,405 | 5,580 | 0.28 | 0.038 |
| 1991 | 2,007,770 | 1,365 | 0.07 | 0.037 |
| 1992 | 2,005,354 | -2,416 | -0.12 | 0.036 |
| 1993 | 2,000,556 | -4,798 | -0.24 | 0.036 |
| 1994 | 1,995,335 | -5,221 | -0.26 | 0.035 |
| 1995 | 1,991,131 | -4,204 | -0.21 | 0.035 |
| 1996 | 1,988,565 | -2,566 | -0.13 | 0.034 |
| 1997 | 1,987,455 | -1,110 | -0.06 | 0.034 |
| 1998 | 1,987,385 | -70 | 0.00 | 0.033 |
| 1999 | 1,987,632 | 247 | 0.01 | 0.033 |
| 2000 | 1,987,717 | 85 | 0.00 | 0.032 |
| 2001 | 1,987,461 | -256 | -0.01 | 0.032 |
| 2002 | 1,987,267 | -194 | -0.01 | 0.032 |
| 2003 | 1,987,862 | 595 | 0.03 | 0.031 |
| 2004 | 1,990,222 | 2,360 | 0.12 | 0.031 |
| 2005 | 1,994,976 | 4,754 | 0.24 | 0.030 |
| 2006 | 2,002,430 | 7,454 | 0.37 | 0.030 |
| 2007 | 2,012,118 | 9,688 | 0.48 | 0.030 |
| 2008 | 2,023,052 | 10,934 | 0.54 | 0.030 |
| 2009 | 2,033,804 | 10,752 | 0.53 | 0.030 |
| 2010 | 2,043,337 | 9,533 | 0.47 | 0.029 |
| 2011 | 2,051,287 | 7,950 | 0.39 | 0.029 |
| 2012 | 2,057,823 | 6,536 | 0.32 | 0.029 |
| 2013 | 2,063,110 | 5,287 | 0.26 | 0.029 |
| 2014 | 2,067,488 | 4,378 | 0.21 | 0.028 |
| 2015 | 2,071,199 | 3,711 | 0.18 | 0.028 |
| 2016 | 2,074,210 | 3,011 | 0.15 | 0.028 |
| 2017 | 2,076,394 | 2,184 | 0.11 | 0.028 |
| 2018 | 2,077,837 | 1,443 | 0.07 | 0.027 |
| 2019 | 2,078,654 | 817 | 0.04 | 0.027 |