Language families

• Indo-european:

  North and South America, Europe, parts of Asia
• Sino tibetan

  Bangladesh, Nepal, Bhutan, India, China, Myanmar
• Niger Congo

  Sub saharan Africa
• Afro asiatic 


  Northern Africa, Middle East, islands in Western Asia
• Austinesian 


  South East Asia, South Pacific, not Australia
• Trans new guinea

  Indonesia, papue new guinea