Comparing across relationship status, adults who are married are by far the happiest, as measured by how they evaluate their current and future life. In 2023, married adults ages 25 to 50 are 17 percentage points more likely to be thriving than adults who never married, up from 12 percentage points in 2009. The gap favoring those who are married is consistently large over the entire 2009 to 2023 period, though it ranges from a low of 12 percentage points to a high of 24 percentage points.