Net migration, or the difference between how many people moved in and how many moved out, is one part of population change. The other part is natural change, or the difference between births and deaths.
From 2014 - 2015, New Hampshire...
Gained 1,582 residents due to natural change.
Had a net migration rate of .08 percent compared to .36 percent for the United States overall.
Lost 1,167 residents through net domestic migration and gained 2,244 residents through net international migration.
Had a natural change rate of .12 percent compared to .43 percent for the United States overall.