人口普查词汇表

migration rate internal migration migrant immigration emigration migration sampling error date of birth place of birth vital registration questionaire respondent census enumerator random sampling sampling survey population census sex ratio rejuvenation of population aging of population expectation of life cohorts age group age structure age-sex composition vital statistics vital index average annual rate of growth annual growth rate ZPG (zero population growth) NPG (negative population growth) natural growth average length of life mean age at death cause-specific death rate sex-age-specific death rate infant mortality rate general mortality rate mortality rate mortality birth peaks stillbirth life birth premature birth parity births natality rate birth rate fecundity fertility natality