Blue state loses over 180,000 residents in past 5 years as high taxes weigh

A major high-tax blue state has seen a significant population loss due to domestic out-migration over the last five years, new research found.

Massachusetts recorded a net loss of about 182,000 residents to domestic out-migration from April 2020 to July 2025, according to an analysis of the state's workforce by the Pioneer Institute. The free market think tank noted the population decline is equivalent to losing roughly one and half Cambridges in that period.

"With domestic out-migration...