HB 172 is a New Hampshire House Bill aimed at restricting undeclared voters from same-day party switching during primaries. Proposed by Republicans, it was ultimately deemed “Inexpedient to Legislate” and rejected. Supporters argue it protects party integrity while opponents contend it limits voter choice, highlighting ongoing tensions around undeclared voter influence.
New Hampshire’s largest voting bloc is undeclared, reflecting a trend of voters moving away from party labels due to semi-open primaries, localism, and national distrust in parties. This report highlights the implications for future campaigns and strategies to engage this significant group, emphasizing issue-oriented messaging over party affiliation.

