The latest officially reported population of Iran was 92,417,681 in 2025 vs 99,924 people in Saint Vincent in 2025. In 2026, based on the adjusted UN estimation, the current Iran's population is 93,580,141 people compared to 99,243 in Saint Vincent.
Population statistics:
- Iran's population is 943 times bigger than Saint Vincent's.
- Iran is ranked the 17th most populous country in the world, while Saint Vincent is the 184th.
- The countries together account for 1.13% of the world: 1.13% for Iran vs 0.001% for Saint Vincent.
- For the last 10 years, Iran has had an average growth rate of +1.15% per year vs -0.67% in Saint Vincent.
- Since 2006, the population of Iran has increased from 73.4M people to 93.6M (27.5% growth), while Saint Vincent has declined from 112K to 99.2K (11.4% decline).
Iran vs Saint Vincent: population by year and forecast
| Year | Population | |
|---|---|---|
Iran
|
Saint Vincent
|
|
| 2100 | 80,660,972 | 64,237 |
| 2099 | 81,193,582 | 64,723 |
| 2098 | 81,717,474 | 65,208 |
| 2097 | 82,241,892 | 65,711 |
| 2096 | 82,764,411 | 66,195 |
| 2095 | 83,283,942 | 66,695 |
| 2094 | 83,799,806 | 67,193 |
| 2093 | 84,316,389 | 67,698 |
| 2092 | 84,833,108 | 68,190 |
| 2091 | 85,354,240 | 68,693 |
| 2090 | 85,878,473 | 69,187 |
| 2089 | 86,409,859 | 69,695 |
| 2088 | 86,947,263 | 70,183 |
| 2087 | 87,492,427 | 70,686 |
| 2086 | 88,047,949 | 71,177 |
| 2085 | 88,610,339 | 71,677 |
| 2084 | 89,181,346 | 72,169 |
| 2083 | 89,758,453 | 72,657 |
| 2082 | 90,343,413 | 73,151 |
| 2081 | 90,936,310 | 73,632 |
| 2080 | 91,535,218 | 74,110 |
| 2079 | 92,136,544 | 74,592 |
| 2078 | 92,740,467 | 75,069 |
| 2077 | 93,344,865 | 75,538 |
| 2076 | 93,946,187 | 76,021 |
| 2075 | 94,544,733 | 76,495 |
| 2074 | 95,135,317 | 76,979 |
| 2073 | 95,721,351 | 77,460 |
| 2072 | 96,292,835 | 77,942 |
| 2071 | 96,851,951 | 78,432 |
| 2070 | 97,397,073 | 78,922 |
| 2069 | 97,924,812 | 79,423 |
| 2068 | 98,432,509 | 79,927 |
| 2067 | 98,913,776 | 80,420 |
| 2066 | 99,374,357 | 80,923 |
| 2065 | 99,812,137 | 81,441 |
| 2064 | 100,223,387 | 81,948 |
| 2063 | 100,602,361 | 82,451 |
| 2062 | 100,951,282 | 82,958 |
| 2061 | 101,266,537 | 83,471 |
| 2060 | 101,545,806 | 83,986 |
| 2059 | 101,792,315 | 84,499 |
| 2058 | 101,994,395 | 85,015 |
| 2057 | 102,161,227 | 85,514 |
| 2056 | 102,291,323 | 86,025 |
| 2055 | 102,382,089 | 86,523 |
| 2054 | 102,431,558 | 87,028 |
| 2053 | 102,441,204 | 87,503 |
| 2052 | 102,413,350 | 87,964 |
| 2051 | 102,350,865 | 88,420 |
| 2050 | 102,251,999 | 88,856 |
| 2049 | 102,122,983 | 89,264 |
| 2048 | 101,957,508 | 89,668 |
| 2047 | 101,765,614 | 90,076 |
| 2046 | 101,547,098 | 90,459 |
| 2045 | 101,305,486 | 90,830 |
| 2044 | 101,038,874 | 91,162 |
| 2043 | 100,752,109 | 91,507 |
| 2042 | 100,446,296 | 91,853 |
| 2041 | 100,122,690 | 92,174 |
| 2040 | 99,784,572 | 92,494 |
| 2039 | 99,436,793 | 92,838 |
| 2038 | 99,072,548 | 93,197 |
| 2037 | 98,694,577 | 93,561 |
| 2036 | 98,302,279 | 93,950 |
| 2035 | 97,899,013 | 94,373 |
| 2034 | 97,482,352 | 94,813 |
| 2033 | 97,054,589 | 95,260 |
| 2032 | 96,608,216 | 95,753 |
| 2031 | 96,141,200 | 96,256 |
| 2030 | 95,656,003 | 96,794 |
| 2029 | 95,133,736 | 97,359 |
| 2028 | 94,561,150 | 97,941 |
| 2027 | 93,925,792 | 98,568 |
| 2026 | 93,215,072 | 99,243 |
| 2025 | 92,417,681 | 99,924 |
| 2024 | 91,567,738 | 100,616 |
| 2023 | 90,608,707 | 101,323 |
| 2022 | 89,524,246 | 102,046 |
| 2021 | 88,455,488 | 102,841 |
| 2020 | 87,723,443 | 103,526 |
| 2019 | 87,051,648 | 104,167 |
| 2018 | 86,117,998 | 104,926 |
| 2017 | 85,026,754 | 105,663 |
| 2016 | 83,812,228 | 106,349 |
| 2015 | 82,619,362 | 106,960 |
| 2014 | 81,502,045 | 107,535 |
| 2013 | 80,414,686 | 108,135 |
| 2012 | 79,370,580 | 108,736 |
| 2011 | 78,383,598 | 109,349 |
| 2010 | 77,420,842 | 109,959 |
| 2009 | 76,457,825 | 110,508 |
| 2008 | 75,514,204 | 111,028 |
| 2007 | 74,602,648 | 111,531 |
| 2006 | 73,392,747 | 112,014 |
| 2005 | 71,828,455 | 112,450 |
| 2004 | 70,256,316 | 112,835 |
| 2003 | 68,769,340 | 113,141 |
| 2002 | 68,011,317 | 113,347 |
| 2001 | 67,452,005 | 113,501 |
| 2000 | 66,418,659 | 113,545 |
| 1999 | 65,445,391 | 113,366 |
| 1998 | 64,519,859 | 113,180 |
| 1997 | 63,639,638 | 113,141 |
| 1996 | 62,881,300 | 113,119 |
| 1995 | 62,205,567 | 113,047 |
| 1994 | 61,520,598 | 112,918 |
| 1993 | 61,403,543 | 112,735 |
| 1992 | 61,184,983 | 112,509 |
| 1991 | 59,986,931 | 112,222 |
| 1990 | 58,380,092 | 111,812 |
| 1989 | 56,704,914 | 111,272 |
| 1988 | 55,072,694 | 110,658 |
| 1987 | 53,323,493 | 110,001 |
| 1986 | 51,446,045 | 109,281 |
| 1985 | 49,582,289 | 108,506 |
| 1984 | 47,793,998 | 107,687 |
| 1983 | 46,029,535 | 106,838 |
| 1982 | 44,272,141 | 105,969 |
| 1981 | 41,989,312 | 105,073 |
| 1980 | 39,842,324 | 104,213 |
| 1979 | 38,424,952 | 103,478 |
| 1978 | 37,126,535 | 102,775 |
| 1977 | 35,933,181 | 101,999 |
| 1976 | 34,837,271 | 101,197 |
| 1975 | 33,802,973 | 100,387 |
| 1974 | 32,796,463 | 99,556 |
| 1973 | 31,839,838 | 98,691 |
| 1972 | 30,921,179 | 97,790 |
| 1971 | 30,029,071 | 96,872 |
| 1970 | 29,145,100 | 95,964 |
| 1969 | 28,273,482 | 95,058 |
| 1968 | 27,437,391 | 94,123 |
| 1967 | 26,628,432 | 93,124 |
| 1966 | 25,829,270 | 92,052 |
| 1965 | 25,036,978 | 90,927 |
| 1964 | 24,262,859 | 89,749 |
| 1963 | 23,519,005 | 88,523 |
| 1962 | 22,807,907 | 87,236 |
| 1961 | 22,125,726 | 85,870 |
| 1960 | 21,470,434 | 84,388 |
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/iran/saint-vincent | CC BY 
From 2006 to 2016, the population of Iran increased by 10,419,481 people (a 14.2% growth), while Saint Vincent lost 5,665 people (a 5.06% decline).
For the next 10 years, from 2016 to 2026, Iran gained 9,767,913 people (a 11.7% growth), while Saint Vincent's population decreased by 7,106 people (a 6.68% decline).
Iran was ranked 17th most populous country in 2006 and is still 17th in 2026. Saint Vincent was ranked 180th in 2006 and ranked 184th now.
The UN's World Population Prospects forecasts that in 24 years (in 2050) Iran's population will grow by 9.27% to 102,251,999 people with a rank change from 17th to 18th. The population of Saint Vincent will decrease by 10.5% to 88,856 people and rank change from 184th to 186th.
Iran is projected to reach its peak in 2053 at 102M people, while Saint Vincent's population already peaked in 2000 at 114K people and is projected to decrease to 64.2K people by 2100.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Iran
|
Saint Vincent
|
|
| 2100 | -0.66% | -0.75% |
| 2099 | -0.64% | -0.74% |
| 2098 | -0.64% | -0.76% |
| 2097 | -0.63% | -0.73% |
| 2096 | -0.62% | -0.75% |
| 2095 | -0.62% | -0.74% |
| 2094 | -0.61% | -0.75% |
| 2093 | -0.61% | -0.72% |
| 2092 | -0.61% | -0.73% |
| 2091 | -0.61% | -0.71% |
| 2090 | -0.61% | -0.73% |
| 2089 | -0.62% | -0.7% |
| 2088 | -0.62% | -0.71% |
| 2087 | -0.63% | -0.69% |
| 2086 | -0.63% | -0.7% |
| 2085 | -0.64% | -0.68% |
| 2084 | -0.64% | -0.67% |
| 2083 | -0.65% | -0.68% |
| 2082 | -0.65% | -0.65% |
| 2081 | -0.65% | -0.64% |
| 2080 | -0.65% | -0.65% |
| 2079 | -0.65% | -0.63% |
| 2078 | -0.65% | -0.62% |
| 2077 | -0.64% | -0.64% |
| 2076 | -0.63% | -0.62% |
| 2075 | -0.62% | -0.63% |
| 2074 | -0.61% | -0.62% |
| 2073 | -0.59% | -0.62% |
| 2072 | -0.58% | -0.63% |
| 2071 | -0.56% | -0.62% |
| 2070 | -0.54% | -0.63% |
| 2069 | -0.52% | -0.63% |
| 2068 | -0.49% | -0.61% |
| 2067 | -0.46% | -0.62% |
| 2066 | -0.44% | -0.64% |
| 2065 | -0.41% | -0.62% |
| 2064 | -0.38% | -0.61% |
| 2063 | -0.35% | -0.61% |
| 2062 | -0.31% | -0.61% |
| 2061 | -0.28% | -0.61% |
| 2060 | -0.24% | -0.61% |
| 2059 | -0.2% | -0.61% |
| 2058 | -0.16% | -0.58% |
| 2057 | -0.13% | -0.59% |
| 2056 | -0.09% | -0.58% |
| 2055 | -0.05% | -0.58% |
| 2054 | -0.009% | -0.54% |
| 2053 | 0.03% | -0.52% |
| 2052 | 0.06% | -0.52% |
| 2051 | 0.1% | -0.49% |
| 2050 | 0.13% | -0.46% |
| 2049 | 0.16% | -0.45% |
| 2048 | 0.19% | -0.45% |
| 2047 | 0.22% | -0.42% |
| 2046 | 0.24% | -0.41% |
| 2045 | 0.26% | -0.37% |
| 2044 | 0.28% | -0.38% |
| 2043 | 0.3% | -0.38% |
| 2042 | 0.32% | -0.35% |
| 2041 | 0.34% | -0.35% |
| 2040 | 0.35% | -0.37% |
| 2039 | 0.37% | -0.38% |
| 2038 | 0.38% | -0.39% |
| 2037 | 0.4% | -0.41% |
| 2036 | 0.41% | -0.45% |
| 2035 | 0.43% | -0.46% |
| 2034 | 0.44% | -0.47% |
| 2033 | 0.46% | -0.51% |
| 2032 | 0.49% | -0.52% |
| 2031 | 0.51% | -0.56% |
| 2030 | 0.55% | -0.58% |
| 2029 | 0.61% | -0.59% |
| 2028 | 0.68% | -0.64% |
| 2027 | 0.76% | -0.68% |
| 2026 | 0.86% | -0.68% |
| 2025 | 0.93% | -0.69% |
| 2024 | 1.06% | -0.7% |
| 2023 | 1.21% | -0.71% |
| 2022 | 1.21% | -0.77% |
| 2021 | 0.83% | -0.66% |
| 2020 | 0.77% | -0.62% |
| 2019 | 1.08% | -0.72% |
| 2018 | 1.28% | -0.7% |
| 2017 | 1.45% | -0.65% |
| 2016 | 1.44% | -0.57% |
| 2015 | 1.37% | -0.53% |
| 2014 | 1.35% | -0.55% |
| 2013 | 1.32% | -0.55% |
| 2012 | 1.26% | -0.56% |
| 2011 | 1.24% | -0.55% |
| 2010 | 1.26% | -0.5% |
| 2009 | 1.25% | -0.47% |
| 2008 | 1.22% | -0.45% |
| 2007 | 1.65% | -0.43% |
| 2006 | 2.18% | -0.39% |
| 2005 | 2.24% | -0.34% |
| 2004 | 2.16% | -0.27% |
| 2003 | 1.11% | -0.18% |
| 2002 | 0.83% | -0.14% |
| 2001 | 1.56% | -0.04% |
| 2000 | 1.49% | 0.16% |
| 1999 | 1.43% | 0.16% |
| 1998 | 1.38% | 0.03% |
| 1997 | 1.21% | 0.02% |
| 1996 | 1.09% | 0.06% |
| 1995 | 1.11% | 0.11% |
| 1994 | 0.19% | 0.16% |
| 1993 | 0.36% | 0.2% |
| 1992 | 2% | 0.26% |
| 1991 | 2.75% | 0.37% |
| 1990 | 2.95% | 0.49% |
| 1989 | 2.96% | 0.55% |
| 1988 | 3.28% | 0.6% |
| 1987 | 3.65% | 0.66% |
| 1986 | 3.76% | 0.71% |
| 1985 | 3.74% | 0.76% |
| 1984 | 3.83% | 0.79% |
| 1983 | 3.97% | 0.82% |
| 1982 | 5.44% | 0.85% |
| 1981 | 5.39% | 0.83% |
| 1980 | 3.69% | 0.71% |
| 1979 | 3.5% | 0.68% |
| 1978 | 3.32% | 0.76% |
| 1977 | 3.15% | 0.79% |
| 1976 | 3.06% | 0.81% |
| 1975 | 3.07% | 0.83% |
| 1974 | 3% | 0.88% |
| 1973 | 2.97% | 0.92% |
| 1972 | 2.97% | 0.95% |
| 1971 | 3.03% | 0.95% |
| 1970 | 3.08% | 0.95% |
| 1969 | 3.05% | 0.99% |
| 1968 | 3.04% | 1.07% |
| 1967 | 3.09% | 1.16% |
| 1966 | 3.16% | 1.24% |
| 1965 | 3.19% | 1.31% |
| 1964 | 3.16% | 1.38% |
| 1963 | 3.12% | 1.48% |
| 1962 | 3.08% | 1.59% |
| 1961 | 3.05% | 1.76% |
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/iran/saint-vincent | CC BY
In 2025, the population of Iran grew by 0.93%, while Saint Vincent's population declined by 0.69%.
Live population counters
|
Iran
|
Saint Vincent
|
|
|---|---|---|
| Current population |
93580141
|
99243
|
| Population rank | 17/197 | 184/197 |
| Percent of world population | 1.13% | 0.001% |
| One net population change |
37.2 seconds
|
12.7 hours
|
| One birth every |
27.4 seconds
|
7.29 hours
|
| One death every |
1.21 minutes
|
7.55 hours
|
| Daily growth/decline | +2,329 | -2 |
| Annual growth/decline | +849,943 | -692 |
| Annual growth/decline rate | +0.93% | -0.69% |
| Population growth rate rank | 103/197 | 189/197 |
| One migration net change every |
4.51 minutes
|
12.3 hours
|
| Annual migration change | +116,786 | -714 |
| Net migration rank | 14/196 | 91/196 |
| Foreign-born residents | 3,840,654 | 4,820 |
| Foreign-born residents rank | 17/195 | 185/195 |
| Foreign-born share of population | 4.2% | 4.8% |
| Foreign-born share rank | 103/195 | 93/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Iran
|
Saint Vincent
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | 116,786 | - | -714 |
| 2024 | 715,785 | 190,156 | 42 | -737 |
| 2023 | 750,150 | 262,044 | 66 | -784 |
| 2022 | 753,525 | 403,190 | 96 | -826 |
| 2021 | 645,725 | 334,967 | -9 | -851 |
| 2020 | 663,978 | -180,680 | -10 | -493 |
| 2019 | 893,063 | -32,794 | 206 | -982 |
| 2018 | 1,035,052 | -27,946 | 271 | -1,026 |
| 2017 | 1,140,549 | 34,849 | 340 | -1,057 |
| 2016 | 1,186,949 | 66,630 | 443 | -1,089 |
| 2015 | 1,178,317 | -46,239 | 542 | -1,124 |
| 2014 | 1,158,552 | -56,042 | 580 | -1,161 |
| 2013 | 1,119,533 | -47,322 | 580 | -1,190 |
| 2012 | 1,073,804 | -57,823 | 637 | -1,221 |
| 2011 | 1,023,925 | -65,924 | 676 | -1,319 |
| 2010 | 980,380 | -12,849 | 796 | -1,371 |
| 2009 | 958,322 | 211 | 881 | -1,407 |
| 2008 | 940,983 | -12,184 | 904 | -1,414 |
| 2007 | 919,254 | -24,950 | 867 | -1,363 |
| 2006 | 884,529 | 640,932 | 881 | -1,346 |
| 2005 | 837,305 | 765,873 | 949 | -1,365 |
| 2004 | 801,203 | 739,996 | 992 | -1,349 |
| 2003 | 732,600 | 700,222 | 1,063 | -1,315 |
| 2002 | 752,205 | -668,962 | 1,166 | -1,333 |
| 2001 | 743,658 | 291,692 | 1,231 | -1,375 |
| 2000 | 731,203 | 300,133 | 1,279 | -1,213 |
| 1999 | 723,237 | 191,988 | 1,315 | -1,019 |
| 1998 | 717,655 | 218,171 | 1,379 | -1,308 |
| 1997 | 726,574 | 98,009 | 1,496 | -1,487 |
| 1996 | 784,508 | -92,435 | 1,610 | -1,575 |
| 1995 | 879,648 | -220,258 | 1,715 | -1,608 |
| 1994 | 1,008,076 | -297,487 | 1,786 | -1,631 |
| 1993 | 1,219,658 | -1,696,091 | 1,832 | -1,629 |
| 1992 | 1,365,466 | -451,945 | 1,849 | -1,602 |
| 1991 | 1,495,594 | -13,059 | 1,821 | -1,482 |
| 1990 | 1,530,434 | 200,711 | 1,825 | -1,350 |
| 1989 | 1,609,739 | 9,460 | 1,843 | -1,244 |
| 1988 | 1,614,512 | 30,688 | 1,876 | -1,243 |
| 1987 | 1,639,644 | 213,524 | 1,937 | -1,251 |
| 1986 | 1,659,289 | 242,411 | 2,020 | -1,279 |
| 1985 | 1,661,750 | 163,999 | 2,128 | -1,324 |
| 1984 | 1,653,051 | 97,748 | 2,248 | -1,405 |
| 1983 | 1,573,612 | 204,544 | 2,411 | -1,549 |
| 1982 | 1,514,240 | 222,390 | 2,477 | -1,597 |
| 1981 | 1,376,830 | 1,452,169 | 2,429 | -1,526 |
| 1980 | 1,361,293 | 103,674 | 2,362 | -1,545 |
| 1979 | 1,294,306 | 75,451 | 2,575 | -1,925 |
| 1978 | 1,156,974 | 70,088 | 2,581 | -1,832 |
| 1977 | 1,091,542 | 68,093 | 2,622 | -1,821 |
| 1976 | 1,013,347 | 18,825 | 2,694 | -1,891 |
| 1975 | 929,481 | 106,921 | 2,775 | -1,958 |
| 1974 | 873,369 | 103,252 | 2,863 | -2,013 |
| 1973 | 831,880 | 104,779 | 2,952 | -2,068 |
| 1972 | 804,043 | 96,614 | 3,033 | -2,116 |
| 1971 | 805,830 | 77,717 | 3,102 | -2,183 |
| 1970 | 794,612 | 89,757 | 3,161 | -2,260 |
| 1969 | 780,660 | 78,196 | 3,200 | -2,292 |
| 1968 | 743,992 | 69,342 | 3,218 | -2,258 |
| 1967 | 727,276 | 77,313 | 3,212 | -2,178 |
| 1966 | 695,040 | 98,709 | 3,194 | -2,090 |
| 1965 | 663,029 | 127,808 | 3,165 | -2,009 |
| 1964 | 635,589 | 121,817 | 3,130 | -1,931 |
| 1963 | 620,126 | 110,190 | 3,086 | -1,833 |
| 1962 | 595,538 | 96,332 | 3,073 | -1,749 |
| 1961 | 594,674 | 77,811 | 3,059 | -1,647 |
| 1960 | 584,060 | 54,041 | 3,029 | -1,476 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).
GeoRank.org/population/iran/saint-vincent | CC BY
Over the last 10 years, 89.9% of the population change in Iran is from natural causes (a gain of 8,963,093 people) and 10.1% is from migration (a gain of 1,004,177 people). In Saint Vincent 18.1% is from natural causes (a gain of 1,987 people) and 81.9% is from migration (a loss of 8,969 people).
As of 2024, 3,840,654 residents or 4.2% of the population were not native-born in Iran, compared to 4,820 people or 4.8% in Saint Vincent.
Biggest cities by population
|
Iran
|
|
|---|---|
| City | Population |
| Tehran | 8.69M |
| Mashhad | 3M |
| Isfahan | 1.96M |
| Karaj | 1.59M |
| Shiraz | 1.57M |
| Tabriz | 1.56M |
| Qom | 1.2M |
| Ahvaz | 1.18M |
| Kermanshah | 947K |
| Urmia | 736K |
|
Saint Vincent
|
|
|---|---|
| City | Population |
| Kingstown | 24.5K |
| Georgetown | 1.68K |
Compare countries by 7 more topics
Population differences between Iran and Saint Vincent
|
Iran
|
Saint Vincent
|
|
|---|---|---|
| Life expectancy | 78.2 years | 71.7 years |
| Average age | 34.7 years | 36.8 years |
| Median age | 35 years | 35.4 years |
| Male:Female ratio | 50.8:49.2 | 50.9:49.1 |
| Fertility rate | 1.68 births per woman | 1.76 births per woman |
| Population density | 148.8 ppl/mi² | 659 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/iran/saint-vincent | 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.