This is a collection of scientific, public opinion polls that have been conducted relating to the Russian presidential election, 2008.

This article provides a collection of state-wide public opinion polls that were conducted relating to the United States presidential election, 2004.

This is a list of nation-wide public opinion polls that have been conducted relating to the Republican primaries for the 2016 United States presidential election.

This article provides a collection of scientific, state-wide public opinion polls that have been conducted relating to the United States of America (U.S.) Senate elections, 2008.

This article provides a collection of opinion polls that were conducted relating to the Israeli legislative election, 2009.

This page lists nation-wide public opinion polls that have been conducted relating to the 2016 United States presidential election between prospective Democratic and Republican candidates.

This article provides a collection of state-wide public opinion polls that were conducted relating to the 2012 United States presidential election, which was won by incumbent President Barack Obama.

This article is a collection of state-wide public opinion polls that have been conducted relating to the Democratic presidential primaries, 2008.

This is a list of straw polls that have been conducted relating to the Republican presidential primaries, 2012.

This article provides line graphs and bar charts of scientific, nation-wide public opinion polls that have been conducted relating to the United States presidential election, 2008.