Connecticut State Immigration

Population

Connecticut's population increased from 2,535,234 in 1960 to 3,577,073 in 2010. That was an increase of 41.1 percent.

The foreign-born (FB) population increased from 275,523 in 1960 to 487,120 in 2010. That was an increase of 76.8 percent. The foreign-born share changed from 10.9 percent to 13.6 percent.

The share of the overall population that was native-born (NB) increased by 36.6 percent.

	Connecticut: Population  1960-2010

Sources of Population Change

The primary sources of population change are:

Natural Change [Births minus Deaths or B-D];
Net Domestic Migration [NDM - movement between states]; and
Net International Migration [NIM - movement into and out of the country].
There is also a residual "other" amount that isn't placed in one of those three categories.

The first chart below shows the three population change factors for three periods adjusted for annual average amounts. The state has steadily lost population from domestic migration (NDM). The primary factor adding population in the first two periods was B-D replaced by NIM in the most recent period.

The second chart shows the same data but with an adjustment to reflect births to immigrants shifted to NIM. In it, NIM became the primary factor adding population in all periods, becoming the sole factor adding population in the most recent period.

	Connecticut: Sources of Population Change 1990-2014 		Connecticut: Sources of Population Change (Adjusted) 1990-2014

		B-D	NDM	 NIM					 	 B-D	 NDM	 NIM	
	90-'99	67.9%   neg.	32.1%					90-'99	37.2%	 neg.	62.8%
	00-'09	50.9%   neg.	49.1%					00-'09	14.4%	 neg.	85.6%
	10-'14	31.5%   neg.	68.5%					10-'14	 neg.	 neg.	 all

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