title: Advanced maternal age
context: This process is not restricted to Europe. Asia, Japan and the United States are all seeing average age at first birth on the rise, and increasingly the process is spreading to countries in the developing world like China, Turkey and Iran. In the U.S., the average age of first childbirth was 26.6 in 2016.[3]
question: What is the average age that women start having children in the U.S.?
answers: 26.6 in 2016