The immigration crisis no one talks about - 25% of those living in NH now were born in Mass.
Among the states that have the largest percentages of people from one other particular state, leading far and away is New Hampshire, where 25 percent of the population was born in Massachusetts (which explains some of New Hampshire's political shift leftward in recent decades). Next most was Nevada at 19%.
LATEST NEW HAMPSHIRE ANGLE
The Hill: Would Obamacare architect laughing at stupidity of the American voter have cost Shaheen her reelection?