Primary documents first

Sources and methods

Use these primary government records to verify Massachusetts' printed statewide choices, write-in rules, OCPF reports, FEC summaries, nine binding statewide questions, voting deadlines, and appointed-judiciary scope. State and federal finance fields remain separate.

Ballot and candidates

Who is printed statewide?

2026 State Election Candidates State Election Ballot Sample How to Run as a Write-in Candidate Upcoming Elections

Campaign finance

What did candidates report?

OCPF public reports OCPF API documentation FEC Massachusetts Senate table Edward J. Markey FEC record John Deaton FEC record Shiva Ayyadurai FEC record Joe Tache FEC record Official current report-year 2026 data archive Massachusetts explorer source and coverage checks

Ballot questions and courts

What other statewide items apply?

2026 State Election Ballot Questions 2026 Information for Voters Massachusetts Court Process

Voting rules and dates

How and when can I vote?

Upcoming Elections Registering to Vote How to Vote Early Voting by Mail Track My Ballot When, Where, How Do I Vote?How Ballots are Counted General Laws Chapter 54, Section 25B

Publication method

How records become a W4POLITICS comparison

Use official election records as the rosterDo not infer a general-election candidate from a campaign site or news story.
Keep state and federal records separateUse the disclosure system responsible for each office.
Match identities conservativelyPublish numeric summaries only when the record supports the candidate-to-filer match.
Preserve source terminologyUse the official field labels and avoid invented totals.
Show the boundaryList missing and uncertain coverage beside completed work.

Found an error or newer filing? Use the corrections process and include the page, field, and original public document when possible.

Source review completed October 1, 2026.