Pre-18 voter registration in New Hampshire

In New Hampshire 18,491 people turn 18 every year.

New Hampshirites can pre-register before turning 18.

To register to vote in New Hampshire, you must be: 18 or older by election day. (Which includes general elections, primaries, and some town meetings).

That means many eligible seniors in your high school can register to vote today and vote at 18.

High school students can help one another get ready to vote.

Next Steps!

How to Register to Vote in New Hampshire

Upcoming Statewide or Federal Elections:

Sep 8th, 2026 - New Hampshire Primary Election
Nov 3rd, 2026 - New Hampshire General Election

Same-day voter registration is available in New Hampshire, which means eligible voters can register the same day they vote.

Useful Links:

Registration Status - Check if you are already registered, your polling place, and more from your state’s voter registration website.
Fair Elections Center - Learn about conducting a registration drive in New Hampshire.
Vote 411 - A nonpartisan resource to help you register, preview your ballot, and find key election information from the League of Women Voters.
VoteRiders - Find out what forms of ID you can use to register and vote, and get help getting a valid form of ID.

Full Registration Details

More information here.

New Hampshire High School Educators: Bring democracy into your classroom with the Youth Voter Registration Investigation lesson plan!

Students will examine how various policies and practices in their state can impact youth voter registration rates and develop actionable steps for states to take that encourage eligible young voters to register.

Download Lesson Plan

See New Hampshire State standards and statues that support and/or require teaching students about voting, voter registration, and how and why to participate in democracy.

Preview of The Civics Center teacher toolkit: sample guides, calendar, checklist, and registration materials

About this information

This page presents a curated compilation of voting and election information, specifically geared toward high school students, their families, and educators.

Information about deadlines and voting laws is retrieved via the Democracy Works Elections API and was last retrieved on Aug 20th, 2026; the API compiles election guidance from official government sources and other vetted data providers, and details may change over time. Information concerning requirements for high schools is based on The Civics Center’s analysis of State Requirements for High School Voter Registration and was last updated on Aug 19th, 2026.

Information about youth turning 18 each year is from the U.S. Census, and information on the number of 18-year-olds who have not yet registered is based on applying TCC’s analysis of Census data and state voter files. We also provide links to trusted resources, including VoteRiders (for voter ID information) and Fair Elections Center (for information about laws governing voter registration drives).

These pages are offered for guidance only and are not intended as legal advice. Please consult state election officials or an attorney if you have questions about any particular situation. We hope you find this useful. To cite our resources and original research, please provide links and/or cite The Civics Center.