If you get married, will you get more sex and better sex? So far as I know, a methodologically persuasive study has never been done. That would involve following people over time as they stayed single or got married or got unmarried, and seeing how their sexual behavior and sexual satisfaction changed (or didn’t change) with those transitions. All we have are studies that compare married and single people at one point in time. You can never know from those kinds of studies if any differences really are about being married vs. single or whether they are about any of the many other ways that married and single people differ other than in their marital status. With that qualification, here’s what we know.

The most relevant reviews of the evidence on getting married and (not) getting sex

Chapter 2 of Singled Out

Getting married and getting sex (or not)

Other articles that may be of interest

I.                 Sex in and out of marriage

7 reasons why young people are having less sex

Melancholy marriage: Are we in a post-romantic era?

Are monogamous relationships really better?

Keeping marriage alive with affairs, asexuality, polyamory, and living apart

How often do people really cheat on their partner? Answers from decades of research

II.               Sex and the single person

Single at heart: What do we know about it?

More than sex: 11 meaningful facts about single people

Teen dating, sex hit record lows for recent decades

Single forever: Stories and insights from gay men

Times reporter thinks single women fear intimacy; I’m afraid he’s wrong

Can the rise of singles and the urge-to-merge coexist?

Sexual satisfaction among single people (by Elyakim Kislev)

III.             Let’s not be too conventional in our thinking

An updated and expanded version of this section (Section III) can now be found here: Rethinking sexuality and monogamy: Let’s not be too conventional

[Also see: Everything you think you know about single people is wrong.]

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