noun (n)

• the branch of sociology that studies the characteristics of human populations

  cabang dari sosiologi bahwa studi karakteristik dari populasi manusia

  Synonym:
  human ecology
  

  source: wordnet30
• The study of races, as to births, marriages, mortality, health, etc.

  studi tentang balapan, mengenai kelahiran, pernikahan, kematian, kesehatan, dll.

  source: webster1913