(estimate) (currently)
51Colombia — This article is about the country. For other uses and spellings, see Colombia (disambiguation) and Colombia (disambiguation). Republic of Colombia República de Colombia (Spanish) …
52Mongolia — This article is about the modern sovereign state. For other uses, see Mongolia (disambiguation). Mongolia …
53Pakistan — This article is about the nation of Pakistan. For other uses, see Pakistan (disambiguation) and Pakistani (disambiguation). Islamic Republic of Pakistan …
54Romania — This article is about the modern country. For other uses, see Romania (disambiguation). Romania România …
55Hubble's law — Physical cosmology Universe · Big Bang …
56Social Security (United States) — This article is about the retirement/disability program. For the general concept of providing welfare, see Social security. For other uses, see Social Security (disambiguation) …
57Vietnam — Socialist Republic of Vietnam Cộng hòa Xã hội chủ nghĩa Việt Nam …
58Bahá'í statistics — Statistical estimates of the worldwide Bahá í population are difficult to judge. The religion is almost entirely contained in a single, organized, hierarchical community, but the Bahá í population is spread out into almost every country and… …
59IPCC Fourth Assessment Report — IPCC Assessment reports: First (1990) 1992 sup. Second (1995) Third (2001) Fourth (2007) …
60Finland — This article is about the country in Northern Europe. For other uses, see Finland (disambiguation). Coordinates: 65°N 27°E / 65°N 027°E / 65; …
