อ้างอิง ของ ประชากรโลก

  1. ↑ CO2 Emissions from Fuel Combustion Population 1971–2008 (pdf, pp. 83–85) IEA (OECD/ World Bank) (original population ref OECD/ World Bank, e.g., in IEA Key World Energy Statistics 2010 page 57)
  2. ↑ "UN projects world population to reach 8.5 billion by 2030, driven by growth in developing countries". United Nations Department of Economic and Social Affairs. July 30, 2015. สืบค้นเมื่อ July 30, 2015.
  3. ↑ Jean-Noël Biraben (1980), "An Essay Concerning Mankind's Evolution". Population, Selected Papers. Vol. 4. pp. 1–13. Original paper in French: (b) Jean-Noël Biraben (1979)."Essai sur l'évolution du nombre des hommes". Population. Vol. 34 (no. 1). pp. 13–25.
  4. ↑ "Exponential Population Growth". Kivu. May 10, 2012. สืบค้นเมื่อ July 22, 2013.
  5. ↑ "World Population Prospects, 2012 revision (697 million births from 1985–1990)". United Nations. 2012. Archived from the original on August 27, 2014. สืบค้นเมื่อ May 11, 2015.
  6. ↑ "Annual number of births – World". United Nations Population Division. 2011. สืบค้นเมื่อ March 27, 2015.
  7. ↑ "World Population estimates by the US Census Bureau". USCB. Archived from the original on April 27, 2012. สืบค้นเมื่อ May 22, 2012.
  8. ↑ "Population seven billion: UN sets out challenges". BBC News. October 26, 2011. สืบค้นเมื่อ October 27, 2011.
  9. ↑
  10. ↑
  11. ↑ "World Population Clock – Worldometers". Worldometers.info. สืบค้นเมื่อ April 12, 2012.
  12. ↑ Peter P. Rogers; Kazi F. Jalal & John A. Boyd (2008). An Introduction To Sustainable Development. Earthscan via Google Books. p. 53.
  13. ↑
  14. ↑ Zehner, Ozzie (2012). Green Illusions. Lincoln and London: University of Nebraska Press. pp. 187–331.
  15. ↑
  16. ↑
  17. ↑ "World Population Prospects: The 2010 Revision Population Database". United Nations. April 15, 2011. สืบค้นเมื่อ 2012-04-21.
  18. ↑ "Life on an Antarctic Station". Antarctic Connection. Retrieved 2011-10-28.
  19. ↑ "What is the population of McMurdo this time of year?". Antarctic Adventures, 2011-05-01. Retrieved 2011-10-28.
  20. ↑ Chinese Official Population Clock (in Chinese). CPDRC.org.cn. Updated daily. Retrieved 2012-05-22.
  21. ↑ 2011 Census. Census of India, 2011. Retrieved 2012-05-22.
  22. ↑ United States Official Population Clock. USCB. Updated daily. Retrieved 2012-05-22.
  23. ↑ SuluhNusantara Indonesia Census report.[ลิงก์เสีย]
  24. ↑ Brazilian Official Population Clock. IBGE.gov.br. Retrieved 2012-05-22.
  25. ↑ Official Pakistani Population Clock.[ลิงก์เสีย]
  26. ↑ Nigeria. CIA World Factbook estimate, 10 May 2012. Retrieved 2012-05-22.
  27. ↑ Bangladesh. CIA World Factbook estimate, 7 May 2012. Retrieved 2012-05-22.
  28. ↑ Federal State Statistics Service of Russia (Excel document, in Russian). GKS.ru, 2010. Retrieved 2012-05-22.
  29. ↑ Official Japan Statistics Bureau. May 2012 estimate. Retrieved 2012-05-22.
  30. ↑ UK population 'to increase to 70 million by 2027'. BBC, October 26, 2011. Retrieved 2012-04-10.
  31. ↑ "Demographic shifts accelerate". The Korea Times, August 26, 2012. Retrieved 2012-08-28.
  32. ↑ "Why Has Taiwan's Birthrate Dropped So Low?" TIME, December 7, 2009. Retrieved 2011-12-17.
  33. ↑ "Taiwan Birth Rate Falls to World’s Lowest". VoA, August 17, 2011. Retrieved 2011-12-17.