18+ Surprising Hot Tub Statistics You Need To Know

Hot tubs offer health benefits like reducing cardiovascular disease and stress, but also pose risks like bacterial infections.

Hot Tub

Hot tubs are great investments for those who want to improve stress levels, reduce fatigue, improve circulation, and more. That said, hot tubs also have some health risks for certain individuals. 

Before investing in a new hot tub, discover 18+ hot tub statistics highlighting the benefits, risks, and interesting facts about these popular appliances. 

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Top 2023 Surprising Hot Tub Statistics

Here are the top 10 most notable hot tub statistics to get started with:

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  • Daily soaking can lower the risk of cardiovascular disease by 28% and the risk of stroke by 26%
  • In 2020, US citizens spent USD ~$2 billion on hot tub-related purchases.
  • Regular hot tubing can have the same health benefits as aerobic exercise. 
  • In 2021, the hot tub market was valued at USD ~1,597 million and is expected to reach an estimated $2,027 million by 2027
  • The Backstreet Boys hold the Guinness World Record for fitting 30 nationalities into one hot tub.
  • Those who soak in a hot tub before bed fall asleep ~15 to ~30 minutes faster than non-soakers.
  • Soaking in a spa or hot tub can reduce cortisol levels and help stress management.
  • Hot tubs need maintenance once a month if you’re a daily soaker.
  • Those in early pregnancy are 2x more likely to develop certain birth defects by using a hot tub.
  • You shouldn’t soak in a hot tub for more than 15 minutes.

Surprising Hot Tub Statistics You Need To Know

Hot tubs and thermal bathing have been used for centuries, starting in ancient Egypt and Greece, with many health benefits. 

If you’re considering purchasing a hot tub, these 18+ hot tub facts will surely surprise you! 

In 2020, Us Citizens Spent ~$2 Billion USD on Hot Tub-Related Purchases. (Pool & Hot Tub Alliance)

One study found that Americans spent ~two billion USD in 2020 on purchasing new hot tubs, hot tub accessories, and hot tub-related services. 

Habitually Using a Hot Tub Can Improve Obesity, Glycemia, and Diastolic Blood Pressure for Those With Type 2 Diabetes. (Hisayuki Katsuyama et al.)

They have so many benefits!

Notable Levels of the Bacteria Pseudomonas Aeruginosa Are in Both Swimming Pools and Hot Tubs. (​​Jonathan K. Lutz and Jiyoung Lee

One study found notable levels of bacteria responsible for “hot tub folliculitis” that are resistant to standard pool and hot tub cleaners. 

In 2021, the Hot Tub Market Was Valued at ~$1,597 Million USD. This Figure Is Expected To Reach an Estimated $2,027 Million by 2027. (Global Hot Tub Market Insight Reports 2023-2029)

As more people seek relaxation after long work days, hot tubs are becoming more popular.

Regular Use of a Hot Tub Can Improve Aerobic Capacity, Hemoglobin Levels, Back Pain, Fatigue, and Depression. (J Epidemiol)

One study monitored the health benefits of hot tubs for participants who soaked for six months and three months.

The Ancient Greeks and Egyptians Were the First To Use Thermal Baths for Health and Wellness. (Serena Gianfaldoni et al.)

They enjoyed them for the relaxing benefits.

Hot Tubs Increase Your Heart Rate and May Be Unsafe for Those With Untreated Cardiovascular Disease. (Dr. Todorov, Tae Won Shin et al.)

Researchers found that hot tubs raise your body temperature, lower blood pressure, and increase heart palpitations. However, those who have hypertension controlled with drug treatment are likely safe to soak for ~10 minutes. 

In 2020, Pools and Hot Tubs Generated ~445,000 Jobs and ~$50 Billion USD to the US Economy. (Pool & Hot Tub Alliance)

They are a part of a huge industry the world over. 

You Shouldn’t Soak in a Hot Tub for More Than 15 Minutes. (Pool & Hot Tub Alliance, CDC)

The recommended amount of time in a hot tub per soak should be limited to 15 minutes to avoid dehydration and overheating. 

In 2020, Californians Were the Number One Purchaser of Hot Tubs in THE US, With Over 90,000 New Hot Tubs Sold State-Wide. (Pool & Hot Tub Alliance)

In such a warm state, hot tubs are still pretty popular!

Daily Soaking Can Lower the Risk of Cardiovascular Disease by 28% And the Risk of Stroke by 26%. (Tomohiko Ukai et al., Harvard)

One study found that those who use hot tubs nearly every day (compared to those who use them less than 2x a week) have lower risks of heart disease and stroke. 

Regular Hot Tubing Can Have the Same Health Benefits as Aerobic Exercise. (The Guardian, Yahoo Sports

One of the surprising hot tub statistics is that they have health benefits similar to exercise. How? Hot tubs increase your heart rate and body temperature, similar to aerobic exercise. 

Hot Tubs Need Maintenance Once a Month if You’re a Daily Soaker. (Forbes

This is to keep them fresh and clean.

87% Of Fatalities in Children Under Five Occur From Drowning Incidents in Hot Tubs and Pools Owned by Friends or Family. (Consumer Product Safety Commission

One of the sad hot tub statistics that parents must be mindful of is the high prevalence of child fatalities that occur in hot tubs. 

Those in Early Pregnancy Are ~2X More Likely To Develop Certain Birth Defects by Using a Hot Tub. (Hao T. Duong et al.)

Parents in early pregnancy should avoid using a hot tub. 

Soaking in a Spa or Hot Tub Can Reduce Cortisol Levels and Help Stress Management. (Michele Antonelli, Davide Donelli)

Hot tubs are a great tool for relaxation.

The Backstreet Boys Hold the Guinness World Record for Fitting 30 Nationalities Into One Hot Tub. (Guinness World Records

In 2016, aboard the Royal Caribbean cruise ship, ‘Brilliance of the Seas,’ the Backstreet Boys and their fans managed to fit 30 different nationalities into one hot tub. 

In 1940, the Jacuzzi Brothers Revolutionized Hot Tubs Forever by Inventing a Hydrotherapy Pump, AKA the Jets That All Hot Tubs Have Today. (Jacuzzi

Hot tub technology has come a long way since the machine was made. 

Those Who Soak in a Hot Tub Before Bed Fall Asleep ~15 to ~30 Minutes Faster Than Non-Soakers. (Yoshiaki Tai et al.

One study found that soaking in a hot tub one to three hours before bedtime can improve sleep onset latency by ~15 to 30 minutes. 

Wrap Up

From health benefits to safety risks, these surprising hot tub statistics are here to ensure you get the most out of your appliance. 

Next time you’re soaking in your hot tub, remember that while the Backstreet Boys may not join you, the relaxing benefits of owning one can pay off in surprising ways. 

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