"World Population Prospects, 2023 Revision". United Nations Department of Economic and Social Affairs, Population Division, Population Estimates and Projections Section. 11 يوليو 2022. مؤرشف من الأصل في 2024-01-23. اطلع عليه بتاريخ 2023-02-10.
"Definition of Regions". World Population Prospects, the 2019 Revision. United Nations Department of Economic and Social Affairs, Population Division, Population Estimates and Projections Section. يونيو 2019. مؤرشف من الأصل في 2018-09-08. اطلع عليه بتاريخ 2019-06-17.
"World Population Prospects, 2023 Revision". United Nations Department of Economic and Social Affairs, Population Division, Population Estimates and Projections Section. 11 يوليو 2022. مؤرشف من الأصل في 2024-01-23. اطلع عليه بتاريخ 2023-02-10.
"Definition of Regions". World Population Prospects, the 2019 Revision. United Nations Department of Economic and Social Affairs, Population Division, Population Estimates and Projections Section. يونيو 2019. مؤرشف من الأصل في 2018-09-08. اطلع عليه بتاريخ 2019-06-17.