The latest officially reported population of the Central African Republic was 5,330,690 in 2024 vs 5,805,962 people in Lebanon in 2024. In 2026, based on the adjusted UN estimation, the current Central African Republic's population is 5,753,659 people compared to 5,906,622 in Lebanon.
Population statistics:
- Lebanon's population is 1.03 times bigger than the Central African Republic's.
- The Central African Republic is ranked the 118th most populous country in the world, while Lebanon is the 115th.
- The countries together account for 0.14% of the world: 0.07% for the Central African Republic vs 0.07% for Lebanon.
- For the last 10 years, the Central African Republic has had an average growth rate of +1.27% per year vs +0.16% in Lebanon.
- Since 2006, the population of the Central African Republic has increased from 4.38M people to 5.75M (31.4% growth), while Lebanon has grown from 4.75M to 5.91M (24.3% growth).
Central African Republic vs Lebanon: population by year and forecast
| Year | Population | |
|---|---|---|
CAR
|
Lebanon
|
|
| 2100 | 19,066,004 | 7,229,611 |
| 2099 | 18,985,867 | 7,252,189 |
| 2098 | 18,901,154 | 7,273,846 |
| 2097 | 18,815,607 | 7,298,208 |
| 2096 | 18,724,783 | 7,322,265 |
| 2095 | 18,626,431 | 7,343,287 |
| 2094 | 18,526,390 | 7,365,719 |
| 2093 | 18,425,013 | 7,386,532 |
| 2092 | 18,316,437 | 7,403,314 |
| 2091 | 18,205,237 | 7,420,036 |
| 2090 | 18,087,725 | 7,433,603 |
| 2089 | 17,972,896 | 7,444,239 |
| 2088 | 17,848,943 | 7,454,263 |
| 2087 | 17,721,681 | 7,465,163 |
| 2086 | 17,585,946 | 7,468,994 |
| 2085 | 17,451,621 | 7,477,406 |
| 2084 | 17,310,863 | 7,476,483 |
| 2083 | 17,164,209 | 7,482,841 |
| 2082 | 17,014,388 | 7,482,980 |
| 2081 | 16,864,906 | 7,484,110 |
| 2080 | 16,708,761 | 7,484,392 |
| 2079 | 16,556,341 | 7,482,168 |
| 2078 | 16,396,395 | 7,480,962 |
| 2077 | 16,228,166 | 7,474,272 |
| 2076 | 16,055,590 | 7,470,260 |
| 2075 | 15,881,626 | 7,464,057 |
| 2074 | 15,710,778 | 7,446,862 |
| 2073 | 15,530,355 | 7,432,591 |
| 2072 | 15,350,553 | 7,420,911 |
| 2071 | 15,162,785 | 7,408,401 |
| 2070 | 14,968,105 | 7,394,163 |
| 2069 | 14,772,746 | 7,382,479 |
| 2068 | 14,575,859 | 7,373,962 |
| 2067 | 14,373,538 | 7,361,021 |
| 2066 | 14,170,754 | 7,348,605 |
| 2065 | 13,967,146 | 7,332,917 |
| 2064 | 13,761,777 | 7,316,835 |
| 2063 | 13,548,616 | 7,299,642 |
| 2062 | 13,336,037 | 7,279,937 |
| 2061 | 13,123,628 | 7,262,112 |
| 2060 | 12,906,496 | 7,239,759 |
| 2059 | 12,688,037 | 7,219,520 |
| 2058 | 12,467,461 | 7,199,035 |
| 2057 | 12,245,441 | 7,176,342 |
| 2056 | 12,023,522 | 7,152,803 |
| 2055 | 11,801,006 | 7,131,059 |
| 2054 | 11,578,020 | 7,107,641 |
| 2053 | 11,354,432 | 7,085,759 |
| 2052 | 11,131,786 | 7,063,172 |
| 2051 | 10,910,913 | 7,036,781 |
| 2050 | 10,689,058 | 7,010,541 |
| 2049 | 10,471,199 | 6,983,849 |
| 2048 | 10,252,433 | 6,952,958 |
| 2047 | 10,037,332 | 6,913,262 |
| 2046 | 9,822,499 | 6,878,209 |
| 2045 | 9,608,962 | 6,839,423 |
| 2044 | 9,397,018 | 6,795,984 |
| 2043 | 9,188,292 | 6,759,252 |
| 2042 | 8,982,316 | 6,716,445 |
| 2041 | 8,777,138 | 6,668,251 |
| 2040 | 8,570,085 | 6,618,567 |
| 2039 | 8,360,267 | 6,565,787 |
| 2038 | 8,151,599 | 6,512,143 |
| 2037 | 7,944,754 | 6,456,654 |
| 2036 | 7,736,415 | 6,403,370 |
| 2035 | 7,527,731 | 6,356,407 |
| 2034 | 7,316,613 | 6,305,239 |
| 2033 | 7,106,984 | 6,257,900 |
| 2032 | 6,898,917 | 6,206,916 |
| 2031 | 6,691,778 | 6,152,022 |
| 2030 | 6,488,327 | 6,098,153 |
| 2029 | 6,287,899 | 6,044,795 |
| 2028 | 6,086,983 | 5,992,721 |
| 2027 | 5,892,506 | 5,942,870 |
| 2026 | 5,702,177 | 5,893,183 |
| 2025 | 5,514,692 | 5,846,443 |
| 2024 | 5,330,690 | 5,805,962 |
| 2023 | 5,152,421 | 5,773,493 |
| 2022 | 5,098,039 | 5,744,489 |
| 2021 | 5,112,100 | 5,718,122 |
| 2020 | 5,026,628 | 5,702,398 |
| 2019 | 4,944,703 | 5,794,594 |
| 2018 | 4,878,657 | 5,984,119 |
| 2017 | 4,793,511 | 6,160,128 |
| 2016 | 4,713,663 | 6,323,060 |
| 2015 | 4,629,320 | 6,472,469 |
| 2014 | 4,623,182 | 6,346,990 |
| 2013 | 4,642,419 | 5,743,436 |
| 2012 | 4,610,848 | 5,235,742 |
| 2011 | 4,565,021 | 5,096,020 |
| 2010 | 4,492,995 | 5,041,288 |
| 2009 | 4,529,047 | 4,992,287 |
| 2008 | 4,558,984 | 4,925,354 |
| 2007 | 4,462,770 | 4,844,118 |
| 2006 | 4,377,579 | 4,751,136 |
| 2005 | 4,288,810 | 4,671,102 |
| 2004 | 4,192,826 | 4,599,279 |
| 2003 | 4,103,086 | 4,525,508 |
| 2002 | 4,006,077 | 4,463,504 |
| 2001 | 3,919,487 | 4,401,918 |
| 2000 | 3,833,416 | 4,329,340 |
| 1999 | 3,729,450 | 4,255,277 |
| 1998 | 3,628,827 | 4,181,281 |
| 1997 | 3,531,700 | 4,108,405 |
| 1996 | 3,435,965 | 4,034,781 |
| 1995 | 3,348,052 | 3,960,735 |
| 1994 | 3,257,954 | 3,889,799 |
| 1993 | 3,157,839 | 3,820,647 |
| 1992 | 3,058,831 | 3,747,371 |
| 1991 | 2,963,191 | 3,668,912 |
| 1990 | 2,871,910 | 3,595,175 |
| 1989 | 2,783,970 | 3,525,285 |
| 1988 | 2,713,965 | 3,454,649 |
| 1987 | 2,669,155 | 3,385,555 |
| 1986 | 2,634,258 | 3,300,365 |
| 1985 | 2,600,932 | 3,217,376 |
| 1984 | 2,568,610 | 3,152,744 |
| 1983 | 2,537,399 | 3,094,996 |
| 1982 | 2,507,375 | 3,054,931 |
| 1981 | 2,478,402 | 3,008,981 |
| 1980 | 2,450,535 | 2,944,763 |
| 1979 | 2,423,794 | 2,882,635 |
| 1978 | 2,397,961 | 2,822,682 |
| 1977 | 2,372,930 | 2,762,155 |
| 1976 | 2,348,566 | 2,726,469 |
| 1975 | 2,313,916 | 2,693,191 |
| 1974 | 2,269,338 | 2,635,185 |
| 1973 | 2,226,008 | 2,572,935 |
| 1972 | 2,183,769 | 2,509,729 |
| 1971 | 2,141,450 | 2,446,314 |
| 1970 | 2,097,505 | 2,386,114 |
| 1969 | 2,051,515 | 2,328,159 |
| 1968 | 2,005,100 | 2,266,368 |
| 1967 | 1,960,444 | 2,206,731 |
| 1966 | 1,918,082 | 2,148,260 |
| 1965 | 1,877,854 | 2,088,831 |
| 1964 | 1,839,583 | 2,030,543 |
| 1963 | 1,803,063 | 1,970,316 |
| 1962 | 1,768,115 | 1,909,578 |
| 1961 | 1,734,580 | 1,850,084 |
| 1960 | 1,702,346 | 1,794,406 |
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/central-african-republic/lebanon | CC BY 
From 2006 to 2016, the population of the Central African Republic increased by 336,084 people (a 7.68% growth), while Lebanon gained 1,571,924 people (a 33.1% growth).
For the next 10 years, from 2016 to 2026, the Central African Republic gained 1,039,996 people (a 22.1% growth), while Lebanon's population decreased by 416,438 people (a 6.59% decline).
The Central African Republic was ranked 118th most populous country in 2006 and is still 118th in 2026. Lebanon was ranked 115th in 2006 and still ranked 115th now.
The UN's World Population Prospects forecasts that in 24 years (in 2050) the Central African Republic's population will grow by 85.8% to 10,689,058 people with a rank change from 118th to 96th. The population of Lebanon will increase by 18.7% to 7,010,541 people and will still be ranked 115th.
The Central African Republic is projected to reach its peak in 2100 at 19.1M people compared to the peak of 7.48M people in 2080 for Lebanon.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
CAR
|
Lebanon
|
|
| 2100 | 0.42% | -0.31% |
| 2099 | 0.45% | -0.3% |
| 2098 | 0.45% | -0.33% |
| 2097 | 0.49% | -0.33% |
| 2096 | 0.53% | -0.29% |
| 2095 | 0.54% | -0.3% |
| 2094 | 0.55% | -0.28% |
| 2093 | 0.59% | -0.23% |
| 2092 | 0.61% | -0.23% |
| 2091 | 0.65% | -0.18% |
| 2090 | 0.64% | -0.14% |
| 2089 | 0.69% | -0.13% |
| 2088 | 0.72% | -0.15% |
| 2087 | 0.77% | -0.05% |
| 2086 | 0.77% | -0.11% |
| 2085 | 0.81% | 0.01% |
| 2084 | 0.85% | -0.08% |
| 2083 | 0.88% | -0.002% |
| 2082 | 0.89% | -0.02% |
| 2081 | 0.93% | -0.004% |
| 2080 | 0.92% | 0.03% |
| 2079 | 0.98% | 0.02% |
| 2078 | 1.04% | 0.09% |
| 2077 | 1.07% | 0.05% |
| 2076 | 1.1% | 0.08% |
| 2075 | 1.09% | 0.23% |
| 2074 | 1.16% | 0.19% |
| 2073 | 1.17% | 0.16% |
| 2072 | 1.24% | 0.17% |
| 2071 | 1.3% | 0.19% |
| 2070 | 1.32% | 0.16% |
| 2069 | 1.35% | 0.12% |
| 2068 | 1.41% | 0.18% |
| 2067 | 1.43% | 0.17% |
| 2066 | 1.46% | 0.21% |
| 2065 | 1.49% | 0.22% |
| 2064 | 1.57% | 0.24% |
| 2063 | 1.59% | 0.27% |
| 2062 | 1.62% | 0.25% |
| 2061 | 1.68% | 0.31% |
| 2060 | 1.72% | 0.28% |
| 2059 | 1.77% | 0.28% |
| 2058 | 1.81% | 0.32% |
| 2057 | 1.85% | 0.33% |
| 2056 | 1.89% | 0.3% |
| 2055 | 1.93% | 0.33% |
| 2054 | 1.97% | 0.31% |
| 2053 | 2% | 0.32% |
| 2052 | 2.02% | 0.38% |
| 2051 | 2.08% | 0.37% |
| 2050 | 2.08% | 0.38% |
| 2049 | 2.13% | 0.44% |
| 2048 | 2.14% | 0.57% |
| 2047 | 2.19% | 0.51% |
| 2046 | 2.22% | 0.57% |
| 2045 | 2.26% | 0.64% |
| 2044 | 2.27% | 0.54% |
| 2043 | 2.29% | 0.64% |
| 2042 | 2.34% | 0.72% |
| 2041 | 2.42% | 0.75% |
| 2040 | 2.51% | 0.8% |
| 2039 | 2.56% | 0.82% |
| 2038 | 2.6% | 0.86% |
| 2037 | 2.69% | 0.83% |
| 2036 | 2.77% | 0.74% |
| 2035 | 2.89% | 0.81% |
| 2034 | 2.95% | 0.76% |
| 2033 | 3.02% | 0.82% |
| 2032 | 3.1% | 0.89% |
| 2031 | 3.14% | 0.88% |
| 2030 | 3.19% | 0.88% |
| 2029 | 3.3% | 0.87% |
| 2028 | 3.3% | 0.84% |
| 2027 | 3.34% | 0.84% |
| 2026 | 3.4% | 0.8% |
| 2025 | 3.45% | 0.7% |
| 2024 | 3.46% | 0.56% |
| 2023 | 1.07% | 0.5% |
| 2022 | -0.28% | 0.46% |
| 2021 | 1.7% | 0.28% |
| 2020 | 1.66% | -1.59% |
| 2019 | 1.35% | -3.17% |
| 2018 | 1.78% | -2.86% |
| 2017 | 1.69% | -2.58% |
| 2016 | 1.82% | -2.31% |
| 2015 | 0.13% | 1.98% |
| 2014 | -0.41% | 10.5% |
| 2013 | 0.68% | 9.7% |
| 2012 | 1% | 2.74% |
| 2011 | 1.6% | 1.09% |
| 2010 | -0.8% | 0.98% |
| 2009 | -0.66% | 1.36% |
| 2008 | 2.16% | 1.68% |
| 2007 | 1.95% | 1.96% |
| 2006 | 2.07% | 1.71% |
| 2005 | 2.29% | 1.56% |
| 2004 | 2.19% | 1.63% |
| 2003 | 2.42% | 1.39% |
| 2002 | 2.21% | 1.4% |
| 2001 | 2.25% | 1.68% |
| 2000 | 2.79% | 1.74% |
| 1999 | 2.77% | 1.77% |
| 1998 | 2.75% | 1.77% |
| 1997 | 2.79% | 1.82% |
| 1996 | 2.63% | 1.87% |
| 1995 | 2.77% | 1.82% |
| 1994 | 3.17% | 1.81% |
| 1993 | 3.24% | 1.96% |
| 1992 | 3.23% | 2.14% |
| 1991 | 3.18% | 2.05% |
| 1990 | 3.16% | 1.98% |
| 1989 | 2.58% | 2.04% |
| 1988 | 1.68% | 2.04% |
| 1987 | 1.32% | 2.58% |
| 1986 | 1.28% | 2.58% |
| 1985 | 1.26% | 2.05% |
| 1984 | 1.23% | 1.87% |
| 1983 | 1.2% | 1.31% |
| 1982 | 1.17% | 1.53% |
| 1981 | 1.14% | 2.18% |
| 1980 | 1.1% | 2.16% |
| 1979 | 1.08% | 2.12% |
| 1978 | 1.05% | 2.19% |
| 1977 | 1.04% | 1.31% |
| 1976 | 1.5% | 1.24% |
| 1975 | 1.96% | 2.2% |
| 1974 | 1.95% | 2.42% |
| 1973 | 1.93% | 2.52% |
| 1972 | 1.98% | 2.59% |
| 1971 | 2.1% | 2.52% |
| 1970 | 2.24% | 2.49% |
| 1969 | 2.31% | 2.73% |
| 1968 | 2.28% | 2.7% |
| 1967 | 2.21% | 2.72% |
| 1966 | 2.14% | 2.85% |
| 1965 | 2.08% | 2.87% |
| 1964 | 2.03% | 3.06% |
| 1963 | 1.98% | 3.18% |
| 1962 | 1.93% | 3.22% |
| 1961 | 1.89% | 3.1% |
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/central-african-republic/lebanon | CC BY
In 2024, the population of the Central African Republic grew by 3.46%, while Lebanon's population grew by 0.56%.
Live population counters
|
CAR
|
Lebanon
|
|
|---|---|---|
| Current population |
5753659
|
5906622
|
| Population rank | 118/197 | 115/197 |
| Percent of world population | 0.07% | 0.07% |
| One net population change |
2.95 minutes
|
16.2 minutes
|
| One birth every |
2.2 minutes
|
5.64 minutes
|
| One death every |
10.8 minutes
|
15.3 minutes
|
| Daily growth/decline | +488 | +89 |
| Annual growth/decline | +178,269 | +32,469 |
| Annual growth/decline rate | +3.46% | +0.56% |
| Population growth rate rank | 9/197 | 129/197 |
| One migration net change every |
35.9 minutes
|
51.5 minutes
|
| Annual migration change | -14,693 | -10,230 |
| Net migration rank | 143/196 | 133/196 |
| Foreign-born residents | 94,556 | 1,422,583 |
| Foreign-born residents rank | 132/195 | 47/195 |
| Foreign-born share of population | 1.8% | 24.5% |
| Foreign-born share rank | 135/195 | 24/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
CAR
|
Lebanon
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | -14,693 | - | -10,230 |
| 2024 | - | -15,357 | - | -17,267 |
| 2023 | 190,325 | -14,682 | 58,786 | -34,193 |
| 2022 | -49,456 | -17,430 | 60,909 | -27,507 |
| 2021 | 124,408 | -85,646 | 46,614 | -27,290 |
| 2020 | 156,911 | -24,745 | 59,903 | -47,787 |
| 2019 | 68,523 | -36,849 | 70,486 | -266,992 |
| 2018 | 153,361 | -52,954 | 77,165 | -259,700 |
| 2017 | 128,461 | -58,584 | 84,172 | -253,664 |
| 2016 | 142,419 | -52,607 | 91,551 | -247,921 |
| 2015 | 141,912 | -63,045 | 97,385 | -239,829 |
| 2014 | 107,448 | -174,051 | 92,285 | 301,111 |
| 2013 | 140,489 | -112,382 | 80,218 | 733,500 |
| 2012 | 146,791 | -111,764 | 77,248 | 124,427 |
| 2011 | 142,913 | -86,281 | 75,523 | 2,246 |
| 2010 | 130,539 | -43,126 | 72,605 | -40,915 |
| 2009 | -130,613 | -28,899 | 69,004 | -2,700 |
| 2008 | 128,627 | -28,983 | 67,132 | 430 |
| 2007 | 123,137 | -30,352 | 66,965 | 27,944 |
| 2006 | 118,882 | -41,282 | 65,932 | 25,126 |
| 2005 | 113,534 | -13,604 | 67,778 | 1,224 |
| 2004 | 108,548 | -16,510 | 69,675 | 4,974 |
| 2003 | 105,540 | -18,097 | 71,232 | 1,674 |
| 2002 | 100,588 | 5,992 | 72,648 | -21,543 |
| 2001 | 99,598 | -33,006 | 73,160 | -1,094 |
| 2000 | 97,468 | 8,079 | 72,642 | 455 |
| 1999 | 96,108 | 6,284 | 72,437 | 2,589 |
| 1998 | 94,361 | 4,479 | 71,889 | 1,062 |
| 1997 | 93,378 | 2,034 | 71,486 | 1,313 |
| 1996 | 93,369 | 2,697 | 71,286 | 3,164 |
| 1995 | 92,748 | -12,986 | 71,016 | 2,634 |
| 1994 | 90,943 | 9,496 | 73,069 | -4,850 |
| 1993 | 89,873 | 9,930 | 75,278 | -5,196 |
| 1992 | 88,939 | 9,269 | 77,447 | -970 |
| 1991 | 88,688 | 4,381 | 79,274 | 1,159 |
| 1990 | 87,507 | 1,995 | 73,629 | -6,595 |
| 1989 | 85,969 | 409 | 74,577 | -1,827 |
| 1988 | 84,654 | -31,016 | 70,444 | -1,916 |
| 1987 | 83,408 | -47,428 | 69,058 | 607 |
| 1986 | 81,149 | -47,332 | 67,162 | 33,549 |
| 1985 | 79,266 | -46,427 | 66,368 | -1,108 |
| 1984 | 77,395 | -45,591 | 66,785 | -2,785 |
| 1983 | 75,399 | -44,780 | 66,056 | -14,558 |
| 1982 | 73,330 | -43,908 | 41,602 | -12,981 |
| 1981 | 71,391 | -42,872 | 65,084 | -1,799 |
| 1980 | 68,759 | -41,539 | 63,053 | 2,104 |
| 1979 | 66,104 | -39,850 | 61,184 | -2,103 |
| 1978 | 63,285 | -37,874 | 60,829 | 0 |
| 1977 | 60,436 | -35,782 | 60,232 | 0 |
| 1976 | 57,725 | -33,645 | 11,138 | 0 |
| 1975 | 55,106 | -9,895 | 55,423 | 0 |
| 1974 | 53,777 | -9,838 | 64,425 | -3,831 |
| 1973 | 52,525 | -9,800 | 63,420 | 482 |
| 1972 | 51,390 | -9,634 | 62,216 | 294 |
| 1971 | 50,142 | -7,259 | 61,278 | 3,042 |
| 1970 | 48,690 | -3,693 | 60,593 | -4,508 |
| 1969 | 47,066 | -80 | 59,829 | 0 |
| 1968 | 45,377 | 474 | 59,247 | 4,506 |
| 1967 | 42,979 | 474 | 58,957 | -3,434 |
| 1966 | 40,804 | 474 | 58,546 | 2,864 |
| 1965 | 38,710 | 474 | 58,195 | -742 |
| 1964 | 36,878 | 474 | 57,808 | 1,311 |
| 1963 | 35,218 | 474 | 57,054 | 4,269 |
| 1962 | 33,731 | 474 | 55,585 | 4,569 |
| 1961 | 32,383 | 474 | 53,995 | 4,844 |
| 1960 | 31,131 | 474 | 52,515 | 0 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).
GeoRank.org/population/central-african-republic/lebanon | CC BY
Over the last 10 years, 66.7% of the population change in the Central African Republic is from natural causes (a gain of 1,164,312 people) and 33.3% is from migration (a loss of 580,593 people). In Lebanon 40.1% is from natural causes (a gain of 739,256 people) and 59.9% is from migration (a loss of 1,103,772 people).
As of 2024, 94,556 residents or 1.8% of the population were not native-born in the Central African Republic, compared to 1,422,583 people or 24.5% in Lebanon.
Biggest cities by population
Compare countries by 7 more topics
Population differences between the Central African Republic and Lebanon
|
CAR
|
Lebanon
|
|
|---|---|---|
| Life expectancy | 58.2 years | 78.2 years |
| Average age | 19.8 years | 33.2 years |
| Median age | 15.4 years | 29.6 years |
| Male:Female ratio | 48:52 | 48.6:51.4 |
| Fertility rate | 6.01 births per woman | 2.24 births per woman |
| Population density | 23.7 ppl/mi² | 1,492 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/central-african-republic/lebanon | 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.