The Wikipedia article describes the National Popular Vote Interstate Compact, an agreement among U.S. states and the District of Columbia to award their electoral votes to the nationwide popular vote winner, taking effect only once members hold a majority of 270 electoral votes. As of September 2026, eighteen states and D.C. have joined with 222 electoral votes, and the article covers its history, legal debate over its constitutionality, and polls showing majority public support for a national popular vote.