The latest officially reported population of Croatia was 3,876,200 in 2025 vs 3,607,003 people in Eritrea in 2025. In 2026, based on the adjusted UN estimation, the current Croatia's population is 3,849,788 people compared to 3,722,489 in Eritrea.
Population statistics:
- Croatia's population is 1.03 times bigger than Eritrea's.
- Croatia is ranked the 130th most populous country in the world, while Eritrea is the 131st.
- The countries together account for 0.09% of the world: 0.05% for Croatia vs 0.04% for Eritrea.
- For the last 10 years, Croatia has had an average growth rate of -0.73% per year vs +1.4% in Eritrea.
- Since 2006, the population of Croatia has decreased from 4.31M people to 3.85M (10.7% decline), while Eritrea has grown from 2.7M to 3.72M (37.7% growth).
Croatia vs Eritrea: population by year and forecast
| Year | Population | |
|---|---|---|
Croatia
|
Eritrea
|
|
| 2100 | 2,158,545 | 8,522,007 |
| 2099 | 2,176,440 | 8,497,228 |
| 2098 | 2,194,539 | 8,474,268 |
| 2097 | 2,212,602 | 8,451,733 |
| 2096 | 2,231,114 | 8,429,569 |
| 2095 | 2,249,667 | 8,403,309 |
| 2094 | 2,268,376 | 8,377,316 |
| 2093 | 2,286,882 | 8,351,585 |
| 2092 | 2,305,583 | 8,316,183 |
| 2091 | 2,324,254 | 8,285,983 |
| 2090 | 2,342,729 | 8,250,998 |
| 2089 | 2,361,668 | 8,216,946 |
| 2088 | 2,380,831 | 8,179,696 |
| 2087 | 2,399,709 | 8,143,016 |
| 2086 | 2,418,760 | 8,100,028 |
| 2085 | 2,438,113 | 8,053,737 |
| 2084 | 2,457,815 | 8,006,588 |
| 2083 | 2,477,556 | 7,963,231 |
| 2082 | 2,497,595 | 7,918,571 |
| 2081 | 2,517,715 | 7,878,525 |
| 2080 | 2,538,164 | 7,822,491 |
| 2079 | 2,559,092 | 7,772,358 |
| 2078 | 2,580,179 | 7,718,520 |
| 2077 | 2,601,778 | 7,662,894 |
| 2076 | 2,623,507 | 7,607,491 |
| 2075 | 2,645,523 | 7,545,398 |
| 2074 | 2,667,391 | 7,490,761 |
| 2073 | 2,689,518 | 7,426,955 |
| 2072 | 2,712,201 | 7,364,831 |
| 2071 | 2,734,759 | 7,302,386 |
| 2070 | 2,757,112 | 7,237,419 |
| 2069 | 2,780,455 | 7,171,047 |
| 2068 | 2,804,383 | 7,100,633 |
| 2067 | 2,828,363 | 7,032,045 |
| 2066 | 2,852,669 | 6,958,496 |
| 2065 | 2,877,009 | 6,890,246 |
| 2064 | 2,901,213 | 6,820,756 |
| 2063 | 2,926,228 | 6,739,056 |
| 2062 | 2,951,475 | 6,665,261 |
| 2061 | 2,976,903 | 6,586,585 |
| 2060 | 3,002,483 | 6,506,537 |
| 2059 | 3,027,959 | 6,427,830 |
| 2058 | 3,053,643 | 6,348,527 |
| 2057 | 3,079,155 | 6,270,841 |
| 2056 | 3,105,119 | 6,199,452 |
| 2055 | 3,130,769 | 6,119,360 |
| 2054 | 3,156,282 | 6,044,997 |
| 2053 | 3,182,091 | 5,962,464 |
| 2052 | 3,207,640 | 5,877,006 |
| 2051 | 3,233,551 | 5,796,079 |
| 2050 | 3,259,702 | 5,715,974 |
| 2049 | 3,285,684 | 5,637,011 |
| 2048 | 3,311,657 | 5,554,665 |
| 2047 | 3,337,645 | 5,473,222 |
| 2046 | 3,363,102 | 5,391,902 |
| 2045 | 3,388,731 | 5,305,072 |
| 2044 | 3,414,541 | 5,220,319 |
| 2043 | 3,439,695 | 5,136,101 |
| 2042 | 3,464,688 | 5,048,602 |
| 2041 | 3,489,565 | 4,964,690 |
| 2040 | 3,513,946 | 4,875,172 |
| 2039 | 3,538,129 | 4,786,431 |
| 2038 | 3,562,371 | 4,697,052 |
| 2037 | 3,586,606 | 4,603,709 |
| 2036 | 3,609,771 | 4,510,757 |
| 2035 | 3,632,470 | 4,424,170 |
| 2034 | 3,656,066 | 4,336,556 |
| 2033 | 3,679,626 | 4,251,927 |
| 2032 | 3,703,646 | 4,168,824 |
| 2031 | 3,728,250 | 4,087,276 |
| 2030 | 3,752,014 | 4,002,343 |
| 2029 | 3,776,079 | 3,921,145 |
| 2028 | 3,799,610 | 3,839,994 |
| 2027 | 3,824,370 | 3,759,928 |
| 2026 | 3,849,788 | 3,682,948 |
| 2025 | 3,876,200 | 3,607,003 |
| 2024 | 3,866,200 | 3,535,603 |
| 2023 | 3,859,686 | 3,470,390 |
| 2022 | 3,855,641 | 3,409,447 |
| 2021 | 3,878,981 | 3,350,183 |
| 2020 | 3,914,206 | 3,291,271 |
| 2019 | 3,949,390 | 3,240,194 |
| 2018 | 3,988,775 | 3,192,760 |
| 2017 | 4,041,407 | 3,150,347 |
| 2016 | 4,106,867 | 3,124,698 |
| 2015 | 4,151,725 | 3,105,546 |
| 2014 | 4,201,598 | 3,095,173 |
| 2013 | 4,233,922 | 3,074,360 |
| 2012 | 4,260,368 | 3,036,988 |
| 2011 | 4,280,622 | 2,998,485 |
| 2010 | 4,295,427 | 2,945,186 |
| 2009 | 4,305,181 | 2,887,885 |
| 2008 | 4,309,705 | 2,816,327 |
| 2007 | 4,310,217 | 2,743,222 |
| 2006 | 4,311,159 | 2,703,502 |
| 2005 | 4,310,145 | 2,661,215 |
| 2004 | 4,304,600 | 2,598,284 |
| 2003 | 4,303,399 | 2,493,903 |
| 2002 | 4,302,174 | 2,392,978 |
| 2001 | 4,299,642 | 2,312,079 |
| 2000 | 4,468,302 | 2,247,031 |
| 1999 | 4,512,597 | 2,212,780 |
| 1998 | 4,532,135 | 2,180,419 |
| 1997 | 4,534,920 | 2,152,135 |
| 1996 | 4,557,097 | 2,128,464 |
| 1995 | 4,620,030 | 2,025,267 |
| 1994 | 4,652,024 | 1,913,915 |
| 1993 | 4,600,463 | 1,856,006 |
| 1992 | 4,575,818 | 1,798,748 |
| 1991 | 4,689,022 | 1,919,571 |
| 1990 | 4,777,368 | 2,032,737 |
| 1989 | 4,767,260 | 1,987,017 |
| 1988 | 4,755,207 | 1,938,255 |
| 1987 | 4,739,745 | 1,888,669 |
| 1986 | 4,721,446 | 1,845,164 |
| 1985 | 4,701,417 | 1,807,816 |
| 1984 | 4,680,285 | 1,771,730 |
| 1983 | 4,658,254 | 1,736,160 |
| 1982 | 4,634,234 | 1,695,461 |
| 1981 | 4,611,509 | 1,649,939 |
| 1980 | 4,599,782 | 1,605,797 |
| 1979 | 4,594,778 | 1,563,332 |
| 1978 | 4,581,085 | 1,522,378 |
| 1977 | 4,559,571 | 1,482,565 |
| 1976 | 4,535,934 | 1,443,807 |
| 1975 | 4,512,082 | 1,408,210 |
| 1974 | 4,490,660 | 1,375,688 |
| 1973 | 4,470,161 | 1,342,669 |
| 1972 | 4,450,564 | 1,309,235 |
| 1971 | 4,431,275 | 1,276,154 |
| 1970 | 4,412,252 | 1,243,453 |
| 1969 | 4,391,490 | 1,212,005 |
| 1968 | 4,365,628 | 1,181,737 |
| 1967 | 4,338,683 | 1,152,339 |
| 1966 | 4,310,701 | 1,124,957 |
| 1965 | 4,280,923 | 1,098,335 |
| 1964 | 4,252,876 | 1,071,287 |
| 1963 | 4,225,675 | 1,045,092 |
| 1962 | 4,196,712 | 1,019,788 |
| 1961 | 4,167,292 | 995,573 |
| 1960 | 4,140,181 | 972,547 |
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/croatia/eritrea | CC BY 
From 2006 to 2016, the population of Croatia decreased by 204,292 people (a 4.74% decline), while Eritrea gained 421,196 people (a 15.6% growth).
For the next 10 years, from 2016 to 2026, Croatia lost 257,079 people (a 6.26% decline), while Eritrea's population increased by 597,791 people (a 19.1% growth).
Croatia was ranked 120th most populous country in 2006 and is 130th in 2026. Eritrea was ranked 135th in 2006 and ranked 131st now.
The UN's World Population Prospects forecasts that in 24 years (in 2050) Croatia's population will shrink by 15.3% to 3,259,702 people with a rank change from 130th to 138th. The population of Eritrea will increase by 53.6% to 5,715,974 people and rank change from 131st to 123rd.
Eritrea is projected to reach its peak in 2100 at 8.52M people, while Croatia's population already peaked in 1990 at 4.78M people and is projected to decrease to 2.16M people by 2100.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Croatia
|
Eritrea
|
|
| 2100 | -0.82% | 0.29% |
| 2099 | -0.82% | 0.27% |
| 2098 | -0.82% | 0.27% |
| 2097 | -0.83% | 0.26% |
| 2096 | -0.82% | 0.31% |
| 2095 | -0.82% | 0.31% |
| 2094 | -0.81% | 0.31% |
| 2093 | -0.81% | 0.43% |
| 2092 | -0.8% | 0.36% |
| 2091 | -0.79% | 0.42% |
| 2090 | -0.8% | 0.41% |
| 2089 | -0.8% | 0.46% |
| 2088 | -0.79% | 0.45% |
| 2087 | -0.79% | 0.53% |
| 2086 | -0.79% | 0.57% |
| 2085 | -0.8% | 0.59% |
| 2084 | -0.8% | 0.54% |
| 2083 | -0.8% | 0.56% |
| 2082 | -0.8% | 0.51% |
| 2081 | -0.81% | 0.72% |
| 2080 | -0.82% | 0.65% |
| 2079 | -0.82% | 0.7% |
| 2078 | -0.83% | 0.73% |
| 2077 | -0.83% | 0.73% |
| 2076 | -0.83% | 0.82% |
| 2075 | -0.82% | 0.73% |
| 2074 | -0.82% | 0.86% |
| 2073 | -0.84% | 0.84% |
| 2072 | -0.82% | 0.86% |
| 2071 | -0.81% | 0.9% |
| 2070 | -0.84% | 0.93% |
| 2069 | -0.85% | 0.99% |
| 2068 | -0.85% | 0.98% |
| 2067 | -0.85% | 1.06% |
| 2066 | -0.85% | 0.99% |
| 2065 | -0.83% | 1.02% |
| 2064 | -0.85% | 1.21% |
| 2063 | -0.86% | 1.11% |
| 2062 | -0.85% | 1.19% |
| 2061 | -0.85% | 1.23% |
| 2060 | -0.84% | 1.22% |
| 2059 | -0.84% | 1.25% |
| 2058 | -0.83% | 1.24% |
| 2057 | -0.84% | 1.15% |
| 2056 | -0.82% | 1.31% |
| 2055 | -0.81% | 1.23% |
| 2054 | -0.81% | 1.38% |
| 2053 | -0.8% | 1.45% |
| 2052 | -0.8% | 1.4% |
| 2051 | -0.8% | 1.4% |
| 2050 | -0.79% | 1.4% |
| 2049 | -0.78% | 1.48% |
| 2048 | -0.78% | 1.49% |
| 2047 | -0.76% | 1.51% |
| 2046 | -0.76% | 1.64% |
| 2045 | -0.76% | 1.62% |
| 2044 | -0.73% | 1.64% |
| 2043 | -0.72% | 1.73% |
| 2042 | -0.71% | 1.69% |
| 2041 | -0.69% | 1.84% |
| 2040 | -0.68% | 1.85% |
| 2039 | -0.68% | 1.9% |
| 2038 | -0.68% | 2.03% |
| 2037 | -0.64% | 2.06% |
| 2036 | -0.62% | 1.96% |
| 2035 | -0.65% | 2.02% |
| 2034 | -0.64% | 1.99% |
| 2033 | -0.65% | 1.99% |
| 2032 | -0.66% | 2% |
| 2031 | -0.63% | 2.12% |
| 2030 | -0.64% | 2.07% |
| 2029 | -0.62% | 2.11% |
| 2028 | -0.65% | 2.13% |
| 2027 | -0.66% | 2.09% |
| 2026 | -0.68% | 2.11% |
| 2025 | 0.26% | 2.02% |
| 2024 | 0.17% | 1.88% |
| 2023 | 0.1% | 1.79% |
| 2022 | -0.6% | 1.77% |
| 2021 | -0.9% | 1.79% |
| 2020 | -0.89% | 1.58% |
| 2019 | -0.99% | 1.49% |
| 2018 | -1.3% | 1.35% |
| 2017 | -1.59% | 0.82% |
| 2016 | -1.08% | 0.62% |
| 2015 | -1.19% | 0.34% |
| 2014 | -0.76% | 0.68% |
| 2013 | -0.62% | 1.23% |
| 2012 | -0.47% | 1.28% |
| 2011 | -0.34% | 1.81% |
| 2010 | -0.23% | 1.98% |
| 2009 | -0.1% | 2.54% |
| 2008 | -0.01% | 2.66% |
| 2007 | -0.02% | 1.47% |
| 2006 | 0.02% | 1.59% |
| 2005 | 0.13% | 2.42% |
| 2004 | 0.03% | 4.19% |
| 2003 | 0.03% | 4.22% |
| 2002 | 0.06% | 3.5% |
| 2001 | -3.77% | 2.89% |
| 2000 | -0.98% | 1.55% |
| 1999 | -0.43% | 1.48% |
| 1998 | -0.06% | 1.31% |
| 1997 | -0.49% | 1.11% |
| 1996 | -1.36% | 5.1% |
| 1995 | -0.69% | 5.82% |
| 1994 | 1.12% | 3.12% |
| 1993 | 0.54% | 3.18% |
| 1992 | -2.41% | -6.29% |
| 1991 | -1.85% | -5.57% |
| 1990 | 0.21% | 2.3% |
| 1989 | 0.25% | 2.52% |
| 1988 | 0.33% | 2.63% |
| 1987 | 0.39% | 2.36% |
| 1986 | 0.43% | 2.07% |
| 1985 | 0.45% | 2.04% |
| 1984 | 0.47% | 2.05% |
| 1983 | 0.52% | 2.4% |
| 1982 | 0.49% | 2.76% |
| 1981 | 0.25% | 2.75% |
| 1980 | 0.11% | 2.72% |
| 1979 | 0.3% | 2.69% |
| 1978 | 0.47% | 2.69% |
| 1977 | 0.52% | 2.68% |
| 1976 | 0.53% | 2.53% |
| 1975 | 0.48% | 2.36% |
| 1974 | 0.46% | 2.46% |
| 1973 | 0.44% | 2.55% |
| 1972 | 0.44% | 2.59% |
| 1971 | 0.43% | 2.63% |
| 1970 | 0.47% | 2.59% |
| 1969 | 0.59% | 2.56% |
| 1968 | 0.62% | 2.55% |
| 1967 | 0.65% | 2.43% |
| 1966 | 0.7% | 2.42% |
| 1965 | 0.66% | 2.52% |
| 1964 | 0.64% | 2.51% |
| 1963 | 0.69% | 2.48% |
| 1962 | 0.71% | 2.43% |
| 1961 | 0.65% | 2.37% |
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/croatia/eritrea | CC BY
In 2025, the population of Croatia grew by 0.26%, while Eritrea's population grew by 2.02%.
Live population counters
|
Croatia
|
Eritrea
|
|
|---|---|---|
| Current population |
3849788
|
3722489
|
| Population rank | 130/197 | 131/197 |
| Percent of world population | 0.05% | 0.04% |
| One net population change |
52.7 minutes
|
7.38 minutes
|
| One birth every |
16.4 minutes
|
5.18 minutes
|
| One death every |
10.3 minutes
|
24.8 minutes
|
| Daily growth/decline | +27 | +196 |
| Annual growth/decline | +10,000 | +71,400 |
| Annual growth/decline rate | +0.26% | +2.02% |
| Population growth rate rank | 147/197 | 49/197 |
| One migration net change every |
2.52 hours
|
1.31 hours
|
| Annual migration change | -3,481 | -6,698 |
| Net migration rank | 112/196 | 122/196 |
| Foreign-born residents | 527,831 | 12,512 |
| Foreign-born residents rank | 78/195 | 176/195 |
| Foreign-born share of population | 13.6% | 0.4% |
| Foreign-born share rank | 50/195 | 178/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Croatia
|
Eritrea
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | -3,481 | - | -6,698 |
| 2024 | -18,944 | -5,186 | 80,343 | -12,696 |
| 2023 | -19,298 | 10,202 | 78,073 | -15,284 |
| 2022 | -23,134 | 11,681 | 76,221 | -17,134 |
| 2021 | -26,377 | -4,517 | 74,394 | -14,966 |
| 2020 | -21,137 | -8,552 | 73,362 | -14,967 |
| 2019 | -15,798 | -13,239 | 73,572 | -29,818 |
| 2018 | -15,556 | -25,016 | 72,511 | -21,403 |
| 2017 | -16,974 | -44,557 | 72,291 | -38,579 |
| 2016 | -14,374 | -32,144 | 73,002 | -55,431 |
| 2015 | -17,022 | -27,501 | 73,682 | -52,965 |
| 2014 | -11,344 | -13,127 | 75,729 | -75,696 |
| 2013 | -10,585 | -6,245 | 75,562 | -33,974 |
| 2012 | -9,799 | -4,794 | 76,416 | -43,269 |
| 2011 | -9,846 | -17,463 | 76,806 | -32,949 |
| 2010 | -8,591 | -3,995 | 76,098 | -13,361 |
| 2009 | -7,319 | 1,358 | 76,206 | -24,348 |
| 2008 | -8,188 | 6,495 | 73,391 | 17,855 |
| 2007 | -10,335 | 8,893 | 73,101 | -18,131 |
| 2006 | -8,669 | 10,852 | 74,470 | -49,998 |
| 2005 | -9,022 | 10,629 | 72,930 | -12,835 |
| 2004 | -9,040 | 15,445 | 72,147 | -6,374 |
| 2003 | -12,480 | 12,556 | 66,291 | 76,703 |
| 2002 | -10,325 | 10,306 | 65,436 | -6,574 |
| 2001 | -8,599 | 19,298 | 61,180 | 41,760 |
| 2000 | -6,255 | -47,629 | 60,274 | -33,133 |
| 1999 | -6,769 | -47,418 | 45,120 | -3,769 |
| 1998 | -4,985 | -47,931 | 55,332 | -31,951 |
| 1997 | 3,175 | -52,897 | 63,953 | -30,768 |
| 1996 | 3,190 | -53,688 | 66,557 | -52,421 |
| 1995 | 0 | -51,882 | 56,157 | 136,105 |
| 1994 | -930 | -50,444 | 56,288 | -25,841 |
| 1993 | -2,301 | -49,615 | 51,679 | 33,688 |
| 1992 | -4,576 | -47,865 | 51,443 | -22,293 |
| 1991 | -2,813 | -31,968 | 57,741 | -328,546 |
| 1990 | 3,344 | 9,538 | 56,903 | -12,425 |
| 1989 | 3,337 | 8,471 | 54,299 | -7,330 |
| 1988 | 5,707 | 7,242 | 54,163 | -3,612 |
| 1987 | 6,161 | 6,956 | 52,229 | -3,613 |
| 1986 | 8,499 | 6,261 | 39,470 | -1,073 |
| 1985 | 10,343 | 5,550 | 37,362 | -1,073 |
| 1984 | 10,764 | 5,757 | 35,101 | 772 |
| 1983 | 10,714 | 6,323 | 33,420 | 1,853 |
| 1982 | 15,756 | 7,475 | 44,146 | 1,985 |
| 1981 | 15,680 | 4,872 | 42,924 | 1,985 |
| 1980 | 17,939 | -5,486 | 41,392 | 1,985 |
| 1979 | 21,136 | -5,740 | 39,577 | 1,985 |
| 1978 | 20,157 | -7,329 | 38,353 | 1,985 |
| 1977 | 22,798 | -7,339 | 37,295 | 1,985 |
| 1976 | 22,226 | -7,400 | 36,250 | 1,985 |
| 1975 | 21,658 | -7,366 | 30,971 | 1,985 |
| 1974 | 22,453 | -8,076 | 30,111 | 1,985 |
| 1973 | 21,904 | -8,335 | 31,969 | 1,985 |
| 1972 | 17,802 | -7,277 | 30,951 | 1,953 |
| 1971 | 19,941 | -5,608 | 31,490 | 1,758 |
| 1970 | 16,767 | -2,359 | 30,686 | 1,480 |
| 1969 | 16,688 | -2,796 | 29,535 | 1,199 |
| 1968 | 21,828 | -2,799 | 28,777 | 1,013 |
| 1967 | 26,032 | -3,518 | 27,992 | 1,004 |
| 1966 | 33,192 | -6,341 | 24,713 | 1,063 |
| 1965 | 31,251 | -5,253 | 26,285 | 1,188 |
| 1964 | 25,942 | -2,090 | 25,327 | 1,300 |
| 1963 | 31,270 | -1,289 | 24,393 | 1,368 |
| 1962 | 30,216 | -2,176 | 23,478 | 1,364 |
| 1961 | 36,255 | -6,567 | 22,351 | 1,235 |
| 1960 | 34,778 | -21,768 | 21,424 | 1,045 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).
GeoRank.org/population/croatia/eritrea | CC BY
Over the last 10 years, 57.6% of the population change in Croatia is from natural causes (a loss of 188,614 people) and 42.4% is from migration (a loss of 138,829 people). In Eritrea 73.2% is from natural causes (a gain of 747,451 people) and 26.8% is from migration (a loss of 273,243 people).
As of 2024, 527,831 residents or 13.6% of the population were not native-born in Croatia, compared to 12,512 people or 0.4% in Eritrea.
Biggest cities by population
Compare countries by 7 more topics
Population differences between Croatia and Eritrea
|
Croatia
|
Eritrea
|
|
|---|---|---|
| Life expectancy | 79.1 years | 69.4 years |
| Average age | 44.8 years | 24.8 years |
| Median age | 46.3 years | 20.2 years |
| Male:Female ratio | 48.3:51.7 | 49.4:50.6 |
| Fertility rate | 1.46 births per woman | 3.68 births per woman |
| Population density | 178.2 ppl/mi² | 78.7 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/croatia/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 2026-07-08)
- 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)
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.