Basilan: population 1947–2025
See Basilan on the map →Population by year
| Year | Population |
|---|---|
| 1947 | 61k |
| 1949 | 63k |
| 1951 | 66k |
| 1953 | 70k |
| 1955 | 73k |
| 1957 | 77k |
| 1959 | 82k |
| 1961 | 86k |
| 1963 | 91k |
| 1965 | 96k |
| 1967 | 102k |
| 1969 | 108k |
| 1971 | 114k |
| 1973 | 120k |
| 1975 | 126k |
| 1977 | 132k |
| 1979 | 139k |
| 1981 | 146k |
| 1983 | 152k |
| 1985 | 159k |
| 1987 | 166k |
| 1989 | 173k |
| 1991 | 188k |
| 1993 | 207k |
| 1995 | 227k |
| 1997 | 240k |
| 1999 | 253k |
| 2001 | 263k |
| 2003 | 269k |
| 2005 | 276k |
| 2007 | 283k |
| 2009 | 290k |
| 2011 | 303k |
| 2013 | 324k |
| 2015 | 347k |
| 2017 | 376k |
| 2019 | 409k |
| 2021 | 453k |
| 2023 | 510k |
| 2025 | 546k |