SOURCES: These percentages are rounded, research-based estimates derived from several studies examining the projected lifetime risk of divorce, long-term marital-happiness trajectories, and the characteristics of Vitalized, Harmonious, and flourishing marriages. They represent a synthesis of the research rather than the findings of any single study. Sources Bailey, G., Stone, L., & Wilcox, W. B. (2025). Divorce in Decline: About 40% of Today’s Marriages Will End in Divorce. Institute for Family Studies. View source Wilcox, W. B., Stone, L., & Bailey, G. (2025). Is Marriage Back? Divorce Is Down, Family Stability Is Up. American Enterprise Institute. View source Kamp Dush, C. M., Taylor, M. G., & Kroeger, R. A. (2008). Marital happiness and psychological well-being across the life course. Family Relations, 57(2), 211–226. View study record Olson, D. H., & Fowers, B. J. (1993). Five types of marriage: An empirical typology based on ENRICH. The Family Journal, 1(3), 196–207. View study DOI Galovan, A. M., Carroll, J. S., Schramm, D. G., Leonhardt, N. D., Zuluaga, J., McKenadel, S. E. M., & Oleksuik, M. R. (2022). Satisfaction or connectivity? Implications from the Strong Relationality Model of flourishing couple relationships. Journal of Marital and Family Therapy, 48(3), 883–907. View study record