Similar to 日本の少子化

List of countries and dependencies by population density

List of countries and dependencies by area

List of islands by area

List of islands by population

Center of population

List of cities proper by population

List of tallest dams

List of metropolitan areas by population

List of urban areas by population

List of cities in South Korea

List of rivers by continent

Happy Planet Index

List of cities in China by population

Demographics of Germany

List of Japanese prefectures by area

List of longest rivers of the United States (by main stem)

List of river systems by length

List of rivers of Japan

List of dams in Japan

Human Development Index

Eight-thousander