Overview
- From 2005 to 2025, the share of people aged 15 and over who were married fell from 47.6% to 36.3%, while those living in unión libre rose from 11.1% to 17.6%, according to INEGI.
- INEGI’s EMAT reports 486,645 registered marriages in 2024, with 98.7% different‑sex and 1.3% same‑sex unions, including 6,312 same‑sex marriages after a 1,561% rise since counting began in 2010.
- Marriage has dropped most among young people: for ages 15–29, the married share fell from 20.9% in 2005 to 7.6% in 2025, with women in this group more likely than men to be married or cohabiting.
- State nupciality rates vary widely, led by Quintana Roo at 7.2 marriages per 1,000 adults in 2025, followed by Campeche and Sinaloa at 6.5, while Mexico City and Tlaxcala are among the lowest at 3.1.
- Valentine’s Day collective ceremonies underscored the trend, including 2,378 couples in Mexico City, more than 2,500 people in Nuevo León, over 200 couples in Morelia as part of 2,000‑plus statewide in Michoacán, and 235 couples in Rosarito with nine same‑sex marriages.