Decatur, AL Metro Area Immigration

Population

The Decatur Metropolitan Statistical Area (MSA) population 1/ increased from 104,587 in 1970 to 153,965 in 2010. That was an increase of 47.2 percent.

The foreign-born (FB) population increased from 214 in 1970 to 6,465 in 2010. That was an increase of 2921.0 percent. The foreign-born share changed from 0.2 percent to 4.2 percent.

The share of the overall population that was native-born (NB) increased by 41.3 percent.

	Decatur MSA: Population  1970-2010

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. Natural change (B-D) was the primary source of population increase in all periods.

The second chart shows the same data but with an adjustment to reflect births to immigrants shifted to NIM. In it, B-D remained the primary source of population increase in the first two periods, replaced by NIM in the most recent period.

	Decatur MSA: Sources of Population Change 1990-2014 		Decatur MSA: Sources of Population Change (Adjusted) 1990-2014

		B-D	 NDM	 NIM						 B-D	 NDM	 NIM	
	90-'99	51.8%	46.1%	 2.1%					90-'99	 48.3%	46.1%	 5.6%
	00-'09	67.5%	 neg.	32.5%					00-'09	 51.0%	 neg.	49.0%
	10-'14	62.0%	 neg.	38.0%					10-'14	 18.3%	 neg.	81.7%

1/ Lawrence and Morgan counties.

Links:

MSA Factsheets by state, and alphabetically.

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