Language Families
WorldCulturalThe world's major language families. Language families are groups of languages related through descent from a common ancestral language.
natureIndo-European (blue): Americas, Europe, Asia, Oceania. Africa: Afro-Asiatic (light blue), Niger-Congo (purple), Nilo-Saharan (light green). Asia: Sino-Tibetan (brown), Dravidian (green), Altaic (blue). Australia: Indo-European, Aboriginal (bright yellow).
Amerindian and Indo-European | Eskimo-Aleut | Indo-European | Class | Rank | Percent of world reserves | -1.75 to -1.5 | -1.5 to -1.25 | -1.25 to -1.0 | -1.0 to -0.75 | -0.5 to -0.25 | -0.25 to 0.25 | 0.5 to 0.75 | Consolidated rock aquifers | Combination aquifers | Productive aquifers | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
31.6% | 8.03% | 36.0% | 2.11% | 0.444% | 1.11% | 0.206% | 0.177% | 0.267% | 0.120% | 14.0% | 4.45% | 18.1% |
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