Around the world, traditional expectations about building a family are shifting rapidly. For many generations, society expected couples to walk down the aisle before welcoming a child.
Today, having a baby outside of a formal union has become the norm rather than the exception in several nations. Some countries offer strong legal protections and welfare benefits that make marriage less economically necessary, while others have long cultural traditions of cohabitation that predate modern marriage laws.
This gallery explores how different countries approach modern parenthood using the most recent data from the Organization for Economic Cooperation and Development (OECD). Click on to reveal the top 30 nations with the highest percentage of babies born out of wedlock.