{"dataset":{"slug":"generic-ballot","title":"Generic Ballot — Polling Average","summary":"Generic-ballot polling average tracking which party leads in a generic House race, weighted by pollster tier and recency.","source":{"name":"Silver Bulletin (Nate Silver) — aggregated","url":"https://www.natesilver.net/"},"cadence":"weekly","columns":[{"key":"period","title":"Period","description":"Date of the polling-average reading."},{"key":"series","title":"Series","description":"silver_bulletin_avg or polls (raw individual polls)."},{"key":"value","title":"Value","description":"Margin in percentage points (positive = D lead)."}]},"citation":"Thin Gold (2026). \"Generic Ballot — Polling Average.\" Retrieved 2026-04-30, from https://thingold.com/data/generic-ballot. CC BY 4.0.","license":"CC BY 4.0","retrieved_at":"2026-04-30","row_count":40,"rows":[{"period":"2025-06-01","series":"generic_ballot.silver_bulletin_avg","value":3},{"period":"2025-08-01","series":"generic_ballot.silver_bulletin_avg","value":3.5},{"period":"2025-10-01","series":"generic_ballot.silver_bulletin_avg","value":4},{"period":"2025-11-15","series":"generic_ballot.silver_bulletin_avg","value":4.5},{"period":"2025-12-01","series":"generic_ballot.silver_bulletin_avg","value":5},{"period":"2026-01-04","series":"generic_ballot.polls","value":5},{"period":"2026-01-08","series":"generic_ballot.silver_bulletin_avg","value":5.3},{"period":"2026-01-22","series":"generic_ballot.silver_bulletin_avg","value":5.3},{"period":"2026-02-01","series":"generic_ballot.silver_bulletin_avg","value":5.3},{"period":"2026-02-09","series":"generic_ballot.silver_bulletin_avg","value":5.4},{"period":"2026-02-20","series":"generic_ballot.polls","value":3},{"period":"2026-02-22","series":"generic_ballot.polls","value":0},{"period":"2026-03-04","series":"generic_ballot.silver_bulletin_avg","value":5.4},{"period":"2026-03-05","series":"generic_ballot.polls","value":2},{"period":"2026-03-08","series":"generic_ballot.polls","value":4},{"period":"2026-03-09","series":"generic_ballot.silver_bulletin_avg","value":5.4},{"period":"2026-03-10","series":"generic_ballot.polls","value":4},{"period":"2026-03-12","series":"generic_ballot.silver_bulletin_avg","value":5.5},{"period":"2026-03-14","series":"generic_ballot.silver_bulletin_avg","value":5.5},{"period":"2026-03-15","series":"generic_ballot.polls","value":3},{"period":"2026-03-16","series":"generic_ballot.polls","value":5},{"period":"2026-03-16","series":"generic_ballot.silver_bulletin_avg","value":5.5},{"period":"2026-03-17","series":"generic_ballot.polls","value":7},{"period":"2026-03-22","series":"generic_ballot.polls","value":10},{"period":"2026-03-23","series":"generic_ballot.polls","value":8},{"period":"2026-03-24","series":"generic_ballot.polls","value":6},{"period":"2026-03-25","series":"generic_ballot.polls","value":5},{"period":"2026-03-25","series":"generic_ballot.silver_bulletin_avg","value":5.1},{"period":"2026-03-29","series":"generic_ballot.silver_bulletin_avg","value":5.5},{"period":"2026-03-31","series":"generic_ballot.silver_bulletin_avg","value":5.5},{"period":"2026-04-06","series":"generic_ballot.polls","value":6},{"period":"2026-04-07","series":"generic_ballot.silver_bulletin_avg","value":5.7},{"period":"2026-04-08","series":"generic_ballot.polls","value":5.8},{"period":"2026-04-08","series":"generic_ballot.silver_bulletin_avg","value":5.8},{"period":"2026-04-09","series":"generic_ballot.silver_bulletin_avg","value":5.4},{"period":"2026-04-10","series":"generic_ballot.polls","value":5.3},{"period":"2026-04-10","series":"generic_ballot.silver_bulletin_avg","value":5.4},{"period":"2026-04-12","series":"generic_ballot.silver_bulletin_avg","value":5.4},{"period":"2026-04-14","series":"generic_ballot.polls","value":5.4},{"period":"2026-04-19","series":"generic_ballot.silver_bulletin_avg","value":5.6}]}