The Almanac of American Politics rates congressional votes as liberal or conservative on the political spectrum in three policy areas: economic, social, and foreign. For 2005–06, Biden’s average economic rating was 80% liberal and 13% conservative, his social rating was 78% liberal and 18% conservative, and his foreign rating was 71% liberal and 25% conservative.This has not changed significantly over time; his liberal ratings in the mid-1980s were also in the 70%–80% range.