Separate national contexts
Compare country polling archives
Place two or three validated archives on the same calendar window. Party lines remain inside separately labelled country panels; the tool never combines parties into an international ranking.
Comparison setup
URLs preserve the selected countries, metric and exact date range.
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Aligned polling view
The same horizontal date scale is used in every panel.
How to read this comparison
Local blocs are navigation aids and are not internationally equivalent. A local-balance line appears only for polls whose midpoint falls inside a time-bounded definition with a public source, and only when every party needed by that definition has a value. Unsupported periods remain explicitly unavailable.
Freshness, archive span and next-election dates describe each national source separately. Thirty-day movement is descriptive change between eligible local-balance observations, not a forecast, synthetic interpolation or seat projection. Coverage gaps break lines instead of being bridged.