1 | Estimated Percent Net Migration | 1971 | 2017 | Annual | State Agency Data: Office of the Governor | Population and Migration | These figures are estimates of the annual rate of net migration for the period July 1 of the previous year to July 1 of the reference year, provided both are non-census years. (Because each decennial census is conducted on April 1, migration rates for 1979, 1980, and 1981 reflect average annual rates for the periods July 1, 1978, to July 1, 1979; July 1, 1979, to April 1, 1980; and April 1, 1980, to July 1, 1981, respectively.) Net migration represents the difference between two consecutive population totals after accounting for the change due to births and deaths, i.e., natural increase. In calculating annual rates of net migration, the numerator is LINC variable 301 (net migration) and the denominator is the beginning population total. This ratio is expressed as a percentage. For years ending in 0 and 1 adjustments are made to convert the rate to an annual estimate (multiplying by 0.8 in years ending in 1 and by 1.3333 for years ending in 0). Population estimates for the two year |
