Even today, the vast majority of Americans who are in a marriage, partnership, or other serious relationship say that they met their partner through offline—rather than online—means.

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Online dating is also relatively popular among the college-educated, as well as among urban and suburban residents.

And 38% of Americans who are single and actively looking for a partner have used online dating at one point or another.

Compared with eight years ago, online daters in 2013 are more likely to actually go out on dates with the people they meet on these sites.

Some 66% of online daters have gone on a date with someone they met through an online dating site or app, up from 43% of online daters who had done so when we first asked this question in 2005.

Women are much more likely than men to have experienced uncomfortable contact via online dating sites or apps: some 42% of female online daters have experienced this type of contact at one point or another, compared with 17% of men.

Paid dating sites, and sites for people who are seeking partners with specific characteristics are popular with relatively large numbers of online daters: Organized outings are much less common, as just 4% of online daters have attended a group outing or other physical event organized by an online dating site.

To help you get up to speed with the answers for these and many other questions, we've put together a comprehensive guide which should contain everything you need to know.