^ See the Data Portal at the World Population Prospects site.[1] The area figures are listed in the Demographic Yearbook 2022.[2]
^The De Agostini Atlas Calendar(in Italian) listed the area of Vatican City as 0.44 km2 (0.17 sq mi) in its 1930 edition[5] but corrected it to 0.49 km2 (0.19 sq mi) in its 1945–46 edition.[6] The figure of 0.44 km2 (0.17 sq mi) is still widely cited by many sources despite its inaccuracy. In 2018, there were 618 citizens regardless of residence, including 246 resident citizens.[7] In 2023, there were 764 residents regardless of citizenship.[7] The population density is calculated using the number of residents regardless of citizenship and the revised area of 0.49 km2 (0.19 sq mi).
^While the Palestinian Authority is the recognized government for both the Gaza Strip and the West Bank, the Gaza Strip has been de-facto independent/occupiedsince 2007.
The West Bank has a population density of 564/km2 (1,460/sq mi), and the Gaza Strip 5,749/km2 (14,890/sq mi).[8][9]
^ Pitcairn's tourist site gives an undated figure of exactly 40 as of 2023,[29] while its official government site states the number is "around fifty".[30]