World POPClock Projection at 18:42, 28 October 2008 (UTC) Macao Population 2009 estimate Statistics and Census Service, Macao SAR Government. Retrieved 8 June 2009 The Monaco government uses a smaller surface area figure resulting in a population density of 18,078 per km2. Singapore Population Mid-2009 estimate Statistics Singapore. Hong Kong Statistics 2008 estimate Census and Statistics Department. The Government of the Hong Kong Special Administrative Region. Retrieved 8 June 2009 Population density calculated using surface area and population figures from [1] Àṣìṣe ìtọ́kasí: Invalid <ref> tag; name "cia" defined multiple times with different content Àṣìṣe ìtọ́kasí: Invalid <ref> tag; name "cia" defined multiple times with different content According to the 2009 National Statistics Office (Malta) Department of Economic and Social Affairs Population Division (2009) (.PDF). World Population Prospects, Table A.1. 2008 revision. United Nations. http://www.un.org/esa/population/publications/wpp2008/wpp2008_text_tables.pdf. Retrieved 2009-03-12.  Àṣìṣe ìtọ́kasí: Invalid <ref> tag; name "unpop" defined multiple times with different content Latest figure from the World Bank Development Indicators Database is 1,090 per km2 CIA World Factbook, accessed 23 January 2009.