PRINCETON, NJ — Political ideology in the U.S. held steady in 2011, with 40% of Americans continuing to describe their views as conservative, 35% as moderate, and 21% as liberal. This marks the third straight year that conservatives have outnumbered moderates, after more than a decade in which moderates mainly tied or outnumbered conservatives.
U.S. since it was 43% in 1992. That is the year Gallup started routinely measuring ideology with the current question. It fell to 39% in 2002 and has been 35% since 2010. At the same time, the country became more politically polarized, with the percentages of Americans calling themselves either “conservative” or “liberal” each increasing. Gallup.com