| 12/31/2016 | Official estimate | http://www.vaticanstate.va/EN/State_and_Government/General_informations/Population.htm | State website | http://www.vaticanstate.va/ | 800 |  | Vatican City | 
          
                | 12/31/2010 | 12/31/2010 census (pdf) | http://www.gov.ms/wp-content/uploads/2011/02/Montserrat-At-A-Glance.pdf |  |  | 4922 |  | Montserrat | 
          
                | 12/31/2012 | UN estimate | http://esa.un.org/unpd/wpp/unpp/panel_population.htm | Central Statistics Department | http://www.spc.int/prism/country/tv/stats/ | 10000 |  | Tuvalu | 
          
                | 12/31/2015 |  |  | Nauru Bureau of Statistics | http://nauru.prism.spc.int/ | 11288 |  | Nauru | 
          
                | 12/31/2016 |  |  |  |  | 16600 |  | Anguilla | 
          
                | 12/31/2015 | Census 12/31/2015 | http://palaugov.pw/wp-content/uploads/2016/11/2015-Census-of-Population-Housing-and-Agriculture-Tables.pdf |  |  | 17661 |  | Palau | 
          
                | 12/31/2012 | Population projection | http://www.bviplatinum.com/news.php?page=Article&articleID=1331602904 | Development Planning Unit | http://www.dpu.gov.vg/ | 28000 |  | British Virgin Islands | 
          
                | 12/31/2016 |  |  | SM Statistic Office | http://www.statistica.sm/ | 33100 |  | San Marino | 
          
                | 12/31/2010 |  |  | Official estimate | http://www.depstc.org/ | 34000 |  | Turks and Caicos Islands | 
          
                | 12/31/2012 | Official estimate | http://unstats.un.org/unsd/demographic/sources/census/2010_PHC/North_Korea/Final national census report.pdf |  |  | 36000 |  | Saint Martin |