Board Thread:Wiki Discussions/@comment-25358381-20140918020735/@comment-7292165-20140918225435

When Jiraiya taught Yahiko, Konan and Nagato they were like 14 and the Sannin around that time was at least in their late 20's to early 30's. In Shippuden The Sannin are 53 so Nagato would be approximately in his late 30's. Yahiko died around 18-21 when he died.