A date is the signal
The civic layer looks for structured election and referendum dates tied to the selected country. The closer the date, the more useful the reminder becomes.
National importance rises first
General, parliamentary, presidential and referendum wording receives more relevance than smaller local contests, but community data can still be incomplete.
Always confirm officially
Wikidata provides CC0 structured discovery. Open the linked official website when available and use the relevant election authority for eligibility, polling place and legal instructions.