The DNC's long-suppressed 2024 election autopsy names declining Democratic voter registration and underfunded state parties among the structural causes of the loss — the same diagnosis this Blueprint is built around. DNC Chair Ken Martin repudiated the report on release, but the registration finding aligns with every independent analysis cited here. The PA implication: the party's own postmortem now matches what F&M Poll, NYT, and Spotlight PA have documented at the state level for two years.

Confirms that 37% of PA's 353,000 AVR registrants landed as independent/unaffiliated — validating our unaffiliated pool thesis. AVR voters turn out at 32.6% vs. 39.9% for all new registrants, meaning the 1.3M unaffiliated pool requires active persuasion, not just re-activation. Rural counties saw the biggest proportional AVR gains.

Confirms Scott Pressler's Republican registration strategy in detail: 'We registered hundreds of voters, and the Democrats didn't even have a table.' Documents that PA Democratic leadership deprioritized registration for years. Notes a recent 5-month Democratic reversal driven by Trump backlash, but flags the durability question explicitly.

Since 2013, party switching has netted Republicans ~190,000 Pennsylvania voters (43% of switchers went R, 34% went D). Democrats have 83,000 fewer voters under 35 than in 2013; Republicans added 150,000. Argues PA isn't Ohio yet — but confirms the structural erosion and notes unaffiliated voters will decide every close race.

County-by-county analysis of PA's registration realignment since May 2015. Democrats lost a registration plurality in 15 counties (8 in the Southwest, 7 scattered elsewhere); Republicans lost a plurality in only one (Chester). The 803,804 new registrants over the period were the main driver of the Dem advantage falling from 999,427 to 191,304.

The definitive national account. Democrats lost ground in all 30 states that track party registration between 2020–2024 — a 4.5M net swing to Republicans. PA advantage fell from 517,310 (Nov 2020) to 53,303 (summer 2025). Democrats' share of newly registered under-45 voters collapsed from 66% in 2018 to 48% in 2024. DNC's Maria Cardona: 'We fell asleep at the switch.' Tom Bonier: 'I was wrong.' Decision Desk HQ: 'There is no silver lining or cavalry coming across the hill.'

The Secretary of the Commonwealth's annual report to the General Assembly on PA voter registration administration. Covers calendar year 2024: roll totals, party affiliation changes since 2020, county-level growth and decline, list maintenance activity, NVRA agency performance, automatic voter registration outcomes, and online registration demographics. Published annually; the 2025 report is expected in June 2026.

Primary source on AVR implementation. The opt-out system registers eligible residents automatically at PennDOT — but does not assign a party, explaining why new registrants default to unaffiliated. Confirms the DMV-to-unaffiliated pipeline we identify as the primary conversion target.

Peer-reviewed PA-specific field experiment (n = 2.4M eligible-but-unregistered citizens). A single postcard from the PA Department of State raised registration 1 point and turnout 0.9 points, producing ~23,000 net new PA registrants in 2016 at $19–48 per net registrant, with 85% of new registrants voting. The strongest direct evidence in the literature that a low-cost, state-led intervention can move PA registration and turnout at scale. Underlying paper: Bryant, Hanmer, Safarpour & McDonald, Political Behavior 44: 535–549.