Since 1987 Jimmy Cornell has conducted every five years a survey of the global movement of cruising yachts. The latest was done in 2016 and examined the global situation during the previous year. If you want to find out where the major sailing hubs are and the characteristics of today’s typical long-distance cruising yacht, this is a must-read.
https://cornellsailing.com/2017/08/jimmy-cornell-where-do-all-the-boats-go/