The latest officially reported population of Algeria was 46,814,308 in 2024 vs 3,535,603 people in Eritrea in 2024. In 2026, based on the adjusted UN estimation, the current Algeria's population is 48,222,325 people compared to 3,700,586 in Eritrea.
Population statistics:
- Algeria's population is 13 times bigger than Eritrea's.
- Algeria is ranked the 34th most populous country in the world, while Eritrea is the 130th.
- The countries together account for 0.63% of the world: 0.58% for Algeria vs 0.04% for Eritrea.
- For the last 10 years, Algeria has had an average growth rate of +1.81% per year vs +1.28% in Eritrea.
- Since 2006, the population of Algeria has increased from 33.6M people to 48.2M (43.4% growth), while Eritrea has grown from 2.7M to 3.7M (36.9% growth).
Algeria vs Eritrea: population by year and forecast
| Year | Population | |
|---|---|---|
Algeria
|
Eritrea
|
|
| 2100 | 64,987,758 | 8,514,681 |
| 2099 | 65,099,593 | 8,489,924 |
| 2098 | 65,201,636 | 8,466,983 |
| 2097 | 65,286,684 | 8,444,468 |
| 2096 | 65,363,853 | 8,422,323 |
| 2095 | 65,425,396 | 8,396,086 |
| 2094 | 65,482,152 | 8,370,114 |
| 2093 | 65,511,098 | 8,344,405 |
| 2092 | 65,539,089 | 8,309,034 |
| 2091 | 65,560,728 | 8,278,860 |
| 2090 | 65,558,683 | 8,243,905 |
| 2089 | 65,560,674 | 8,209,883 |
| 2088 | 65,543,659 | 8,172,664 |
| 2087 | 65,518,674 | 8,136,016 |
| 2086 | 65,480,237 | 8,093,065 |
| 2085 | 65,436,284 | 8,046,814 |
| 2084 | 65,389,859 | 7,999,706 |
| 2083 | 65,339,591 | 7,956,385 |
| 2082 | 65,286,947 | 7,911,764 |
| 2081 | 65,228,570 | 7,871,753 |
| 2080 | 65,156,366 | 7,815,766 |
| 2079 | 65,077,934 | 7,765,677 |
| 2078 | 64,997,944 | 7,711,886 |
| 2077 | 64,912,164 | 7,656,307 |
| 2076 | 64,829,265 | 7,600,951 |
| 2075 | 64,732,964 | 7,538,912 |
| 2074 | 64,635,550 | 7,484,322 |
| 2073 | 64,539,251 | 7,420,571 |
| 2072 | 64,437,887 | 7,358,500 |
| 2071 | 64,334,505 | 7,296,109 |
| 2070 | 64,254,716 | 7,231,198 |
| 2069 | 64,156,721 | 7,164,883 |
| 2068 | 64,054,948 | 7,094,530 |
| 2067 | 63,947,346 | 7,026,000 |
| 2066 | 63,834,128 | 6,952,514 |
| 2065 | 63,711,038 | 6,884,323 |
| 2064 | 63,574,559 | 6,814,893 |
| 2063 | 63,435,887 | 6,733,263 |
| 2062 | 63,274,087 | 6,659,531 |
| 2061 | 63,110,028 | 6,580,923 |
| 2060 | 62,923,891 | 6,500,944 |
| 2059 | 62,712,836 | 6,422,305 |
| 2058 | 62,478,336 | 6,343,070 |
| 2057 | 62,226,357 | 6,265,450 |
| 2056 | 61,939,173 | 6,194,123 |
| 2055 | 61,635,604 | 6,114,099 |
| 2054 | 61,305,903 | 6,039,801 |
| 2053 | 60,952,313 | 5,957,339 |
| 2052 | 60,585,478 | 5,871,954 |
| 2051 | 60,184,066 | 5,791,096 |
| 2050 | 59,759,780 | 5,711,061 |
| 2049 | 59,319,414 | 5,632,165 |
| 2048 | 58,863,159 | 5,549,890 |
| 2047 | 58,399,750 | 5,468,518 |
| 2046 | 57,923,788 | 5,387,267 |
| 2045 | 57,438,215 | 5,300,511 |
| 2044 | 56,949,229 | 5,215,831 |
| 2043 | 56,458,404 | 5,131,686 |
| 2042 | 55,972,536 | 5,044,262 |
| 2041 | 55,486,685 | 4,960,422 |
| 2040 | 55,008,982 | 4,870,981 |
| 2039 | 54,525,726 | 4,782,316 |
| 2038 | 54,053,698 | 4,693,015 |
| 2037 | 53,581,185 | 4,599,752 |
| 2036 | 53,114,315 | 4,506,879 |
| 2035 | 52,635,824 | 4,420,367 |
| 2034 | 52,170,347 | 4,332,828 |
| 2033 | 51,701,970 | 4,248,272 |
| 2032 | 51,222,432 | 4,165,241 |
| 2031 | 50,743,202 | 4,083,762 |
| 2030 | 50,249,453 | 3,998,903 |
| 2029 | 49,738,822 | 3,917,775 |
| 2028 | 49,202,648 | 3,836,693 |
| 2027 | 48,647,196 | 3,756,696 |
| 2026 | 48,064,789 | 3,679,782 |
| 2025 | 47,453,061 | 3,603,902 |
| 2024 | 46,814,308 | 3,535,603 |
| 2023 | 46,164,219 | 3,470,390 |
| 2022 | 45,477,389 | 3,409,447 |
| 2021 | 44,761,099 | 3,350,183 |
| 2020 | 44,042,091 | 3,291,271 |
| 2019 | 43,294,546 | 3,240,194 |
| 2018 | 42,505,035 | 3,192,760 |
| 2017 | 41,689,299 | 3,150,347 |
| 2016 | 40,850,721 | 3,124,698 |
| 2015 | 40,019,529 | 3,105,546 |
| 2014 | 39,205,031 | 3,095,173 |
| 2013 | 38,414,171 | 3,074,360 |
| 2012 | 37,646,166 | 3,036,988 |
| 2011 | 36,903,376 | 2,998,485 |
| 2010 | 36,188,236 | 2,945,186 |
| 2009 | 35,490,445 | 2,887,885 |
| 2008 | 34,816,961 | 2,816,327 |
| 2007 | 34,189,416 | 2,743,222 |
| 2006 | 33,623,506 | 2,703,502 |
| 2005 | 33,109,249 | 2,661,215 |
| 2004 | 32,628,286 | 2,598,284 |
| 2003 | 32,175,818 | 2,493,903 |
| 2002 | 31,750,835 | 2,392,978 |
| 2001 | 31,331,221 | 2,312,079 |
| 2000 | 30,903,893 | 2,247,031 |
| 1999 | 30,474,354 | 2,212,780 |
| 1998 | 30,054,133 | 2,180,419 |
| 1997 | 29,579,301 | 2,152,135 |
| 1996 | 29,033,044 | 2,128,464 |
| 1995 | 28,470,191 | 2,025,267 |
| 1994 | 27,887,279 | 1,913,915 |
| 1993 | 27,277,048 | 1,856,006 |
| 1992 | 26,628,568 | 1,798,748 |
| 1991 | 25,987,928 | 1,919,571 |
| 1990 | 25,375,810 | 2,032,737 |
| 1989 | 24,754,485 | 1,987,017 |
| 1988 | 24,109,536 | 1,938,255 |
| 1987 | 23,443,624 | 1,888,669 |
| 1986 | 22,745,499 | 1,845,164 |
| 1985 | 22,008,544 | 1,807,816 |
| 1984 | 21,271,969 | 1,771,730 |
| 1983 | 20,558,115 | 1,736,160 |
| 1982 | 19,872,348 | 1,695,461 |
| 1981 | 19,220,704 | 1,649,939 |
| 1980 | 18,607,174 | 1,605,797 |
| 1979 | 18,036,655 | 1,563,332 |
| 1978 | 17,506,974 | 1,522,378 |
| 1977 | 17,015,994 | 1,482,565 |
| 1976 | 16,409,170 | 1,443,807 |
| 1975 | 15,678,596 | 1,408,210 |
| 1974 | 15,133,502 | 1,375,688 |
| 1973 | 14,771,147 | 1,342,669 |
| 1972 | 14,427,072 | 1,309,235 |
| 1971 | 14,098,936 | 1,276,154 |
| 1970 | 13,783,719 | 1,243,453 |
| 1969 | 13,475,960 | 1,212,005 |
| 1968 | 13,172,614 | 1,181,737 |
| 1967 | 12,876,118 | 1,152,339 |
| 1966 | 12,590,069 | 1,124,957 |
| 1965 | 12,365,976 | 1,098,335 |
| 1964 | 12,179,813 | 1,071,287 |
| 1963 | 11,982,118 | 1,045,092 |
| 1962 | 11,800,771 | 1,019,788 |
| 1961 | 11,628,883 | 995,573 |
| 1960 | 11,424,922 | 972,547 |
Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1960–2024, retrieved 2026-04-06).
GeoRank.org/population/algeria/eritrea | CC BY 
From 2006 to 2016, the population of Algeria increased by 7,227,215 people (a 21.5% growth), while Eritrea gained 421,196 people (a 15.6% growth).
For the next 10 years, from 2016 to 2026, Algeria gained 7,371,604 people (a 18% growth), while Eritrea's population increased by 575,888 people (a 18.4% growth).
Algeria was ranked 34th most populous country in 2006 and is still 34th in 2026. Eritrea was ranked 135th in 2006 and ranked 130th now.
The UN's World Population Prospects forecasts that in 24 years (in 2050) Algeria's population will grow by 23.9% to 59,759,780 people with a rank change from 34th to 33rd. The population of Eritrea will increase by 54.3% to 5,711,061 people and rank change from 130th to 123rd.
Algeria is projected to reach its peak in 2091 at 65.6M people compared to the peak of 8.51M people in 2100 for Eritrea.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Algeria
|
Eritrea
|
|
| 2100 | -0.17% | 0.29% |
| 2099 | -0.16% | 0.27% |
| 2098 | -0.13% | 0.27% |
| 2097 | -0.12% | 0.26% |
| 2096 | -0.09% | 0.31% |
| 2095 | -0.09% | 0.31% |
| 2094 | -0.04% | 0.31% |
| 2093 | -0.04% | 0.43% |
| 2092 | -0.03% | 0.36% |
| 2091 | 0.003% | 0.42% |
| 2090 | -0.003% | 0.41% |
| 2089 | 0.03% | 0.46% |
| 2088 | 0.04% | 0.45% |
| 2087 | 0.06% | 0.53% |
| 2086 | 0.07% | 0.57% |
| 2085 | 0.07% | 0.59% |
| 2084 | 0.08% | 0.54% |
| 2083 | 0.08% | 0.56% |
| 2082 | 0.09% | 0.51% |
| 2081 | 0.11% | 0.72% |
| 2080 | 0.12% | 0.65% |
| 2079 | 0.12% | 0.7% |
| 2078 | 0.13% | 0.73% |
| 2077 | 0.13% | 0.73% |
| 2076 | 0.15% | 0.82% |
| 2075 | 0.15% | 0.73% |
| 2074 | 0.15% | 0.86% |
| 2073 | 0.16% | 0.84% |
| 2072 | 0.16% | 0.86% |
| 2071 | 0.12% | 0.9% |
| 2070 | 0.15% | 0.93% |
| 2069 | 0.16% | 0.99% |
| 2068 | 0.17% | 0.98% |
| 2067 | 0.18% | 1.06% |
| 2066 | 0.19% | 0.99% |
| 2065 | 0.21% | 1.02% |
| 2064 | 0.22% | 1.21% |
| 2063 | 0.26% | 1.11% |
| 2062 | 0.26% | 1.19% |
| 2061 | 0.3% | 1.23% |
| 2060 | 0.34% | 1.22% |
| 2059 | 0.38% | 1.25% |
| 2058 | 0.4% | 1.24% |
| 2057 | 0.46% | 1.15% |
| 2056 | 0.49% | 1.31% |
| 2055 | 0.54% | 1.23% |
| 2054 | 0.58% | 1.38% |
| 2053 | 0.61% | 1.45% |
| 2052 | 0.67% | 1.4% |
| 2051 | 0.71% | 1.4% |
| 2050 | 0.74% | 1.4% |
| 2049 | 0.78% | 1.48% |
| 2048 | 0.79% | 1.49% |
| 2047 | 0.82% | 1.51% |
| 2046 | 0.85% | 1.64% |
| 2045 | 0.86% | 1.62% |
| 2044 | 0.87% | 1.64% |
| 2043 | 0.87% | 1.73% |
| 2042 | 0.88% | 1.69% |
| 2041 | 0.87% | 1.84% |
| 2040 | 0.89% | 1.85% |
| 2039 | 0.87% | 1.9% |
| 2038 | 0.88% | 2.03% |
| 2037 | 0.88% | 2.06% |
| 2036 | 0.91% | 1.96% |
| 2035 | 0.89% | 2.02% |
| 2034 | 0.91% | 1.99% |
| 2033 | 0.94% | 1.99% |
| 2032 | 0.94% | 2% |
| 2031 | 0.98% | 2.12% |
| 2030 | 1.03% | 2.07% |
| 2029 | 1.09% | 2.11% |
| 2028 | 1.14% | 2.13% |
| 2027 | 1.21% | 2.09% |
| 2026 | 1.29% | 2.11% |
| 2025 | 1.36% | 1.93% |
| 2024 | 1.41% | 1.88% |
| 2023 | 1.51% | 1.79% |
| 2022 | 1.6% | 1.77% |
| 2021 | 1.63% | 1.79% |
| 2020 | 1.73% | 1.58% |
| 2019 | 1.86% | 1.49% |
| 2018 | 1.96% | 1.35% |
| 2017 | 2.05% | 0.82% |
| 2016 | 2.08% | 0.62% |
| 2015 | 2.08% | 0.34% |
| 2014 | 2.06% | 0.68% |
| 2013 | 2.04% | 1.23% |
| 2012 | 2.01% | 1.28% |
| 2011 | 1.98% | 1.81% |
| 2010 | 1.97% | 1.98% |
| 2009 | 1.93% | 2.54% |
| 2008 | 1.84% | 2.66% |
| 2007 | 1.68% | 1.47% |
| 2006 | 1.55% | 1.59% |
| 2005 | 1.47% | 2.42% |
| 2004 | 1.41% | 4.19% |
| 2003 | 1.34% | 4.22% |
| 2002 | 1.34% | 3.5% |
| 2001 | 1.38% | 2.89% |
| 2000 | 1.41% | 1.55% |
| 1999 | 1.4% | 1.48% |
| 1998 | 1.61% | 1.31% |
| 1997 | 1.88% | 1.11% |
| 1996 | 1.98% | 5.1% |
| 1995 | 2.09% | 5.82% |
| 1994 | 2.24% | 3.12% |
| 1993 | 2.44% | 3.18% |
| 1992 | 2.47% | -6.29% |
| 1991 | 2.41% | -5.57% |
| 1990 | 2.51% | 2.3% |
| 1989 | 2.68% | 2.52% |
| 1988 | 2.84% | 2.63% |
| 1987 | 3.07% | 2.36% |
| 1986 | 3.35% | 2.07% |
| 1985 | 3.46% | 2.04% |
| 1984 | 3.47% | 2.05% |
| 1983 | 3.45% | 2.4% |
| 1982 | 3.39% | 2.76% |
| 1981 | 3.3% | 2.75% |
| 1980 | 3.16% | 2.72% |
| 1979 | 3.03% | 2.69% |
| 1978 | 2.89% | 2.69% |
| 1977 | 3.7% | 2.68% |
| 1976 | 4.66% | 2.53% |
| 1975 | 3.6% | 2.36% |
| 1974 | 2.45% | 2.46% |
| 1973 | 2.38% | 2.55% |
| 1972 | 2.33% | 2.59% |
| 1971 | 2.29% | 2.63% |
| 1970 | 2.28% | 2.59% |
| 1969 | 2.3% | 2.56% |
| 1968 | 2.3% | 2.55% |
| 1967 | 2.27% | 2.43% |
| 1966 | 1.81% | 2.42% |
| 1965 | 1.53% | 2.52% |
| 1964 | 1.65% | 2.51% |
| 1963 | 1.54% | 2.48% |
| 1962 | 1.48% | 2.43% |
| 1961 | 1.79% | 2.37% |
Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1961–2024, retrieved 2026-04-06).
GeoRank.org/population/algeria/eritrea | CC BY
In 2024, the population of Algeria grew by 1.41%, while Eritrea's population grew by 1.88%.
Live population counters
|
Algeria
|
Eritrea
|
|
|---|---|---|
| Current population |
48222325
|
3700586
|
| Population rank | 34/197 | 130/197 |
| Percent of world population | 0.58% | 0.04% |
| One net population change |
48.5 seconds
|
8.06 minutes
|
| One birth every |
34.8 seconds
|
5.31 minutes
|
| One death every |
2.45 minutes
|
25 minutes
|
| Daily growth/decline | +1,781 | +179 |
| Annual growth/decline | +650,089 | +65,213 |
| Annual growth/decline rate | +1.41% | +1.88% |
| Population growth rate rank | 74/197 | 58/197 |
| One migration net change every |
19.1 minutes
|
1.31 hours
|
| Annual migration change | -27,531 | -6,698 |
| Net migration rank | 161/196 | 122/196 |
| Foreign-born residents | 259,458 | 12,512 |
| Foreign-born residents rank | 104/195 | 176/195 |
| Foreign-born share of population | 0.6% | 0.4% |
| Foreign-born share rank | 168/195 | 178/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Algeria
|
Eritrea
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | -27,531 | - | -6,698 |
| 2024 | - | -31,240 | - | -12,696 |
| 2023 | 691,724 | -25,963 | 78,073 | -15,284 |
| 2022 | 722,591 | -14,684 | 76,221 | -17,134 |
| 2021 | 735,514 | -10,803 | 74,394 | -14,966 |
| 2020 | 724,140 | -10,798 | 73,362 | -14,967 |
| 2019 | 809,522 | -27,786 | 73,572 | -29,818 |
| 2018 | 824,428 | -27,146 | 72,511 | -21,403 |
| 2017 | 848,585 | -14,403 | 72,291 | -38,579 |
| 2016 | 849,368 | -6,438 | 73,002 | -55,431 |
| 2015 | 847,054 | -27,638 | 73,682 | -52,965 |
| 2014 | 839,654 | -30,064 | 75,729 | -75,696 |
| 2013 | 802,203 | -30,052 | 75,562 | -33,974 |
| 2012 | 790,645 | -26,763 | 76,416 | -43,269 |
| 2011 | 741,832 | -20,108 | 76,806 | -32,949 |
| 2010 | 719,350 | -10,788 | 76,098 | -13,361 |
| 2009 | 691,496 | -4,458 | 76,206 | -24,348 |
| 2008 | 662,044 | -2,101 | 73,391 | 17,855 |
| 2007 | 620,196 | -25,046 | 73,101 | -18,131 |
| 2006 | 580,812 | -44,138 | 74,470 | -49,998 |
| 2005 | 543,158 | -51,345 | 72,930 | -12,835 |
| 2004 | 508,773 | -38,648 | 72,147 | -6,374 |
| 2003 | 474,272 | -39,421 | 66,291 | 76,703 |
| 2002 | 451,369 | -36,255 | 65,436 | -6,574 |
| 2001 | 450,637 | -26,539 | 61,180 | 41,760 |
| 2000 | 447,025 | -16,454 | 60,274 | -33,133 |
| 1999 | 434,198 | -5,657 | 45,120 | -3,769 |
| 1998 | 425,928 | -13,991 | 55,332 | -31,951 |
| 1997 | 450,138 | 87,582 | 63,953 | -30,768 |
| 1996 | 483,632 | 71,139 | 66,557 | -52,421 |
| 1995 | 533,104 | 37,817 | 56,157 | 136,105 |
| 1994 | 594,445 | 430 | 56,288 | -25,841 |
| 1993 | 611,306 | 14,289 | 51,679 | 33,688 |
| 1992 | 627,289 | 44,102 | 51,443 | -22,293 |
| 1991 | 616,850 | -6,945 | 57,741 | -328,546 |
| 1990 | 612,369 | 1,962 | 56,903 | -12,425 |
| 1989 | 628,542 | -234 | 54,299 | -7,330 |
| 1988 | 637,215 | 24,376 | 54,163 | -3,612 |
| 1987 | 645,309 | 24,933 | 52,229 | -3,613 |
| 1986 | 661,644 | 64,381 | 39,470 | -1,073 |
| 1985 | 672,185 | 75,729 | 37,362 | -1,073 |
| 1984 | 656,475 | 68,774 | 35,101 | 772 |
| 1983 | 641,167 | 61,292 | 33,420 | 1,853 |
| 1982 | 620,415 | 48,660 | 44,146 | 1,985 |
| 1981 | 595,150 | 39,043 | 42,924 | 1,985 |
| 1980 | 559,983 | 32,879 | 41,392 | 1,985 |
| 1979 | 523,875 | 24,311 | 39,577 | 1,985 |
| 1978 | 491,876 | 19,317 | 38,353 | 1,985 |
| 1977 | 465,405 | 5,360 | 37,295 | 1,985 |
| 1976 | 440,192 | 302,662 | 36,250 | 1,985 |
| 1975 | 417,803 | 300,482 | 30,971 | 1,985 |
| 1974 | 399,509 | -27,605 | 30,111 | 1,985 |
| 1973 | 382,736 | -29,938 | 31,969 | 1,985 |
| 1972 | 368,179 | -32,832 | 30,951 | 1,953 |
| 1971 | 356,069 | -35,141 | 31,490 | 1,758 |
| 1970 | 346,564 | -37,058 | 30,686 | 1,480 |
| 1969 | 334,541 | -28,535 | 29,535 | 1,199 |
| 1968 | 324,560 | -23,870 | 28,777 | 1,013 |
| 1967 | 316,289 | -23,983 | 27,992 | 1,004 |
| 1966 | 309,628 | -29,832 | 24,713 | 1,063 |
| 1965 | 311,190 | -142,810 | 26,285 | 1,188 |
| 1964 | 312,729 | -108,798 | 25,327 | 1,300 |
| 1963 | 315,645 | -124,175 | 24,393 | 1,368 |
| 1962 | 283,903 | -112,676 | 23,478 | 1,364 |
| 1961 | 296,467 | -123,928 | 22,351 | 1,235 |
| 1960 | 290,582 | -55,212 | 21,424 | 1,045 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).
GeoRank.org/population/algeria/eritrea | CC BY
Over the last 10 years, 97.6% of the population change in Algeria is from natural causes (a gain of 7,892,580 people) and 2.42% is from migration (a loss of 195,723 people). In Eritrea 68.8% is from natural causes (a gain of 742,837 people) and 31.2% is from migration (a loss of 336,243 people).
As of 2024, 259,458 residents or 0.6% of the population were not native-born in Algeria, compared to 12,512 people or 0.4% in Eritrea.
Biggest cities by population
Compare countries by 7 more topics
Population differences between Algeria and Eritrea
|
Algeria
|
Eritrea
|
|
|---|---|---|
| Life expectancy | 76.9 years | 69.4 years |
| Average age | 30.8 years | 24.6 years |
| Median age | 29.3 years | 19.9 years |
| Male:Female ratio | 51:49 | 49.4:50.6 |
| Fertility rate | 2.77 births per woman | 3.71 births per woman |
| Population density | 52.3 ppl/mi² | 78.6 ppl/mi² |
Population map with other countries
Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (1960–2026, retrieved 2026-03-10); U.S. Census Bureau (1960–2025, retrieved 2026-02-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20).
GeoRank.org/population/algeria/eritrea | CC BY
Help us show the world through your eyes
Share a photo of your city and help others discover what it looks like to live there. Your contribution makes our data come alive.
Data sources:
- World Bank | Health (1960–2025, retrieved 2026-04-06)
- United Nations | World Population Prospects (1960–2100, retrieved 2026-03-10)
- U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
- Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
- Wikidata (2026, retrieved 2026-02-08)
Creative Commons Attribution (CC BY) — you’re free to copy, share, remix, adapt, and use even commercially as long as you give appropriate credit and clearly indicate if you made changes. Other sources may be subject to different license terms.