Statista integrates statistical data from over 80,000 topics in areas such as business, education, finance, media, politics, society, and technology. Statista gathers data from over 20,000 sources, including market reports, trade publications, scientific journals, and government databases. Datasets cover 170 industries and over 150 countries. The reports, charts, infographics, and statistics found in the database can be viewed online or downloaded.
Gallup Poll: Great reputation as a nonpartisan poll/survey examiner for news "based on US and world polls, daily tracking and public opinion research." Use the resources pull down, and go to topics A-Z, or just enter your basic terms in the search box.
Pew Institute: A nonpartisan site that uses polls/surveys to examine current issues and trends affecting America and the world. Use the search box to look for a specific item, or the topic index (tab at the top) or search by general overview. Scroll down in each issue, as there are several survey questions shown for each.