While it is fairly easy to count the number of people affiliated with a country organisation, the number of people who enjoy clothes-free recreation on free beaches is far more difficult to evaluate.
USA: 50'000 naturists affiliated to (AANR), 18% of the population willing to visit a nude resort (Wall Street Journal article of Jan 17, 2003 "Nudist Resorts Are Catering To Affluent Tourist Crowd").
Canada: several thousand of affiliated naturists, 2.7 mio Canadians have visited or would visit a nude resort(1999 survey).
France: 50'000 naturists affiliated to the FFN, 5.5 million naturists, 5.5 million more are interested (source).
Spain: 30'000 people practice naturism regularily
Germany: 12 million practice regularily(source)
United Kingdom: 25'000 affiliated, 500'000 practice naturism regularily(CCCBN facts).
Belgium: 14'000 affiliated naturists.
Netherlands: 65'000 affiliated, 10% of the population practises naturism or 1.6 mio (gouvernement survey ca ~1975)
Denmark: 1'000 affiliated naturists.
Portugal: 800 affiliated naturists, 10% of the population practices naturism.
Switzerland: 25'000 affiliated naturists (source).
Israel: 400 affiliated naturists.
Naturism is practiced at all ages, one notices a lower participation in the 15-25 year age range, then a sharp rise from 30/35 onwards.
Several surveys indicate that, generally speaking, naturists have above average incomes.
The number of naturists affiliated to some national federations has varied significantly in the recent years as some naturist centers effectively ceased to impose the licence requirement. Nevertheless, the success of these centers has grown continually since several years, the popularity of this lifestyle is progressing and this lifestyle is more and more accepted by our societies. This tourism segment is growing 20% a year in the US.
There is no comparable destination today.
There are eco-resorts, such as maho resort
Here is sun-club a catalogue of naturist destinations.
There are today naturist hotels and centers in the following countries:
France, Croatia, Spain, Vritomartis in Krete, Grand Lido Braco Jamaica, Club-Orient in Saint-Marteen, (Antilles) Sorobon in Bonaire, New Zealand.
There is a multitude of beaches and clubs in other countries.
Lodging prices per person and per day, based on double occupancy, in USD:Club Orient, St Marteen: