There are currently 7,917 yachts afloat as of today. The longest yacht in the world is Azzam, measuring over 180.61m (592'7"). She was built in 2013 by Lürssen.
The Largest yacht in the world is Fulk Al Salamah, built by Mariotti in 2016, with a volume of 20,361 GT. On average yachts are 37m with a volume of 361 GT. Last year there was a total of 288 yachts built.