GLOBAL

• The global market size of health clubs was about $87.2 billion in 2018. At the time, it was reported that there are over 201,000 health clubs globally with 174 million members up by 20 million members since 2017.
• Based solely on revenue, the largest health club operators worldwide include LA Fitness ($2.1 billion), Konami Sports & Fitness ($2.02 billion ), Life Time Fitness ($1.55 billion ), 24 Hour Fitness ($1.44 billion ), Anytime Fitness ($1.45 billion), and Equinox ($1.3 billion ).
• The largest fitness franchises include Planet Fitness, Orange Theory, and Jazzercise.

US

• The US has the "world’s largest health and wellness market." Its market size for health clubs is roughly $32.3 billion.  
• The US has the most health clubs worldwide with 39,570 health clubs like 24 Hour Fitness in the country.
• In the US alone, there are 62.5 million gym members as of 2018 compared to 60.9 million in 2017.
• US health clubs serve about 71.5 million consumers.
• In the US, the largest gym chains are LA Fitness, Life Time Fitness, and 24 Hour Fitness.
• A study done by IHRSA revealed than more than 1 in 5 Americans "belong to at least one U.S. health club or studio." 
• Of note, the aforementioned data is specific to health clubs alone and does not factor in boutique studios, recreation centers, and gym in hotels or other locations.