GITNUXREPORT 2025

Weight Loss Industry Statistics

Global weight loss industry exceeds $192 billion market size globally.

Jannik Linder

Co-Founder of Gitnux, specialized in content and tech since 2016.

First published: April 29, 2025

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Statistic 1

Over 60 million Americans attempt some form of weight loss each year

Statistic 2

The average American spends about $1500 annually on weight loss products and services

Statistic 3

70% of individuals trying to lose weight seek advice from health professionals

Statistic 4

45% of Americans who want to lose weight have tried dieting within the past year

Statistic 5

Over 50% of US adults are attempting weight loss at any given time

Statistic 6

Online weight loss programs saw a 35% increase in users during the COVID-19 pandemic

Statistic 7

Only about 20% of individuals who start a weight loss program manage to lose 10% of their body weight and keep it off long-term

Statistic 8

The use of meal replacement products for weight loss is prevalent, with nearly 40% of dieters using them regularly

Statistic 9

The most common weight loss goals among Americans are losing 10-20 pounds, with 63% aiming for this range

Statistic 10

Women are more likely than men to use commercial weight loss programs, with 60% of users being female

Statistic 11

The average duration of a successful weight loss attempt is about 2.5 years, with many regaining weight afterward

Statistic 12

The number of people using intermittent fasting for weight loss increased by over 50% between 2019 and 2022

Statistic 13

Around 30% of North Americans who attempt weight loss report using herbal supplements

Statistic 14

The leading reasons for weight loss efforts include improving health (85%), appearance (70%), and athletic performance (40%)

Statistic 15

Women are 3 times more likely to purchase weight loss supplements than men

Statistic 16

Approximately 40% of consumers are interested in personalized weight loss plans powered by AI and machine learning

Statistic 17

The percentage of Americans trying to lose weight who follow a structured program is about 35%

Statistic 18

The percentage of online weight loss product searches related to plant-based diets increased by 45% from 2018 to 2022

Statistic 19

50% of Americans attempting weight loss report experiencing emotional eating, which complicates their efforts

Statistic 20

Approximately 25% of American adults have tried weight loss drugs, with more seeking prescription options annually

Statistic 21

Nearly 65% of adult Americans perceive weight loss as essential to improve overall health, according to a survey

Statistic 22

The proportion of people intending to use natural or herbal weight loss remedies increased by 18% from 2018 to 2022

Statistic 23

The use of supportive weight loss technology, such as smart scales and apps, increased by 60% during the COVID-19 pandemic

Statistic 24

Over 80% of weight loss clinical trials are now incorporating digital health tools for remote monitoring

Statistic 25

The number of fitness apps focused on weight loss exceeded 2300 in 2021

Statistic 26

The average weight loss through commercial weight loss programs ranges from 5 to 10% of total body weight

Statistic 27

The majority of weight loss supplements marketed online contain little to no scientific evidence of effectiveness

Statistic 28

The most popular weight loss diets in the US include Keto, Paleo, Mediterranean, and Weight Watchers, collectively covering over 70% of diet-related searches

Statistic 29

The average weight loss program duration is approximately 16 weeks, with higher success rates in programs longer than 12 weeks

Statistic 30

The number of weight loss co-working spaces increased by 20% between 2018 and 2022, aimed at community support

Statistic 31

The percentage of weight loss supplements exceeding FDA safety standards was approximately 30% as of 2021, highlighting quality concerns

Statistic 32

The number of publications on weight loss in scientific journals doubled from 2010 to 2020, indicating rising research interest

Statistic 33

The average success rate for commercial weight loss programs is reported to be around 30-35% over 1 year

Statistic 34

The global weight loss and weight management market was valued at approximately $192.2 billion in 2020

Statistic 35

The US weight loss industry revenue was estimated at $72 billion in 2020

Statistic 36

The number of bariatric surgeries in the US increased by 20% from 2017 to 2019

Statistic 37

Approximately 2 billion adults worldwide are overweight, with more than 650 million classified as obese

Statistic 38

The market for diet and weight loss supplements was valued at approximately $6 billion in 2020

Statistic 39

The ketogenic diet market is projected to reach $15 billion by 2027

Statistic 40

The typical commercial weight loss program can cost between $1000 and $3000 per year

Statistic 41

Medical weight loss clinics are estimated to generate approximately $1 billion annually in the US

Statistic 42

The global market for weight loss surgery was valued at $2.4 billion in 2019

Statistic 43

The number of online weight loss communities and forums increased by over 150% from 2015 to 2022

Statistic 44

The global wearable devices market for fitness monitoring, including weight management, is projected to reach $62 billion by 2025

Statistic 45

Weight loss medications prescribed in the US increased by 150% from 2010 to 2020

Statistic 46

The number of registered dietitians and nutritionists in the US specializing in weight management increased by 25% over the past decade

Statistic 47

The global market for meal kit delivery services targeted at weight-conscious consumers is projected to reach $21.4 billion by 2027

Statistic 48

Globally, the nutrition and weight management industry is predicted to grow at a CAGR of 8% through 2027

Statistic 49

The U.S. weight management market for seniors is projected to grow at a 10% CAGR from 2023 to 2030, driven by aging populations

Statistic 50

In 2022, the most common digital marketing channel for weight loss products was social media, accounting for over 70% of advertising efforts

Statistic 51

The percentage of health insurance plans covering medically supervised weight loss programs increased by 15% over the past five years

Statistic 52

The global community for weight management and support groups grew by over 200% from 2015 to 2022, with millions of members worldwide

Statistic 53

The number of online weight loss coaching services increased by 100% between 2019 and 2023, reflecting a shift toward remote support

Statistic 54

The market for weight loss and obesity management in Asia-Pacific is anticipated to grow at a CAGR of 9% through 2027, driven by rising obesity rates

Statistic 55

The rate of obesity among children and adolescents has risen significantly, affecting over 340 million globally

Statistic 56

In a survey, 52% of Americans reported that they would consider surgery if other weight loss methods failed

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Key Highlights

The global weight loss and weight management market was valued at approximately $192.2 billion in 2020
The US weight loss industry revenue was estimated at $72 billion in 2020
Over 60 million Americans attempt some form of weight loss each year
The number of bariatric surgeries in the US increased by 20% from 2017 to 2019
Approximately 2 billion adults worldwide are overweight, with more than 650 million classified as obese
The rate of obesity among children and adolescents has risen significantly, affecting over 340 million globally
The average American spends about $1500 annually on weight loss products and services
The market for diet and weight loss supplements was valued at approximately $6 billion in 2020
70% of individuals trying to lose weight seek advice from health professionals
The number of fitness apps focused on weight loss exceeded 2300 in 2021
45% of Americans who want to lose weight have tried dieting within the past year
The average weight loss through commercial weight loss programs ranges from 5 to 10% of total body weight
The ketogenic diet market is projected to reach $15 billion by 2027

With the weight loss industry booming into a staggering $192.2 billion global market in 2020, millions of Americans and worldwide consumers are pouring billions into products, programs, and surgeries—yet long-term success remains elusive for many.

Consumer Behavior and Demographics

Over 60 million Americans attempt some form of weight loss each year
The average American spends about $1500 annually on weight loss products and services
70% of individuals trying to lose weight seek advice from health professionals
45% of Americans who want to lose weight have tried dieting within the past year
Over 50% of US adults are attempting weight loss at any given time
Online weight loss programs saw a 35% increase in users during the COVID-19 pandemic
Only about 20% of individuals who start a weight loss program manage to lose 10% of their body weight and keep it off long-term
The use of meal replacement products for weight loss is prevalent, with nearly 40% of dieters using them regularly
The most common weight loss goals among Americans are losing 10-20 pounds, with 63% aiming for this range
Women are more likely than men to use commercial weight loss programs, with 60% of users being female
The average duration of a successful weight loss attempt is about 2.5 years, with many regaining weight afterward
The number of people using intermittent fasting for weight loss increased by over 50% between 2019 and 2022
Around 30% of North Americans who attempt weight loss report using herbal supplements
The leading reasons for weight loss efforts include improving health (85%), appearance (70%), and athletic performance (40%)
Women are 3 times more likely to purchase weight loss supplements than men
Approximately 40% of consumers are interested in personalized weight loss plans powered by AI and machine learning
The percentage of Americans trying to lose weight who follow a structured program is about 35%
The percentage of online weight loss product searches related to plant-based diets increased by 45% from 2018 to 2022
50% of Americans attempting weight loss report experiencing emotional eating, which complicates their efforts
Approximately 25% of American adults have tried weight loss drugs, with more seeking prescription options annually
Nearly 65% of adult Americans perceive weight loss as essential to improve overall health, according to a survey
The proportion of people intending to use natural or herbal weight loss remedies increased by 18% from 2018 to 2022

Consumer Behavior and Demographics Interpretation

Despite pouring over $1500 annually into weight loss endeavors, over 60 million Americans still grapple with the elusive goal of shedding 10%, often relying on advice from health pros and dubious supplements, yet only 20% succeed long-term—a testament that perhaps the most effective weight loss strategy remains a well-balanced diet and consistent lifestyle changes.

Digital Health Technologies and Innovations

The use of supportive weight loss technology, such as smart scales and apps, increased by 60% during the COVID-19 pandemic
Over 80% of weight loss clinical trials are now incorporating digital health tools for remote monitoring

Digital Health Technologies and Innovations Interpretation

The surge in supportive weight loss technology during the COVID-19 pandemic signals a digital revolution in health management, transforming weight loss from a personal struggle into a tech-enabled science—so much for going it alone.

Market Segments and Products

The number of fitness apps focused on weight loss exceeded 2300 in 2021
The average weight loss through commercial weight loss programs ranges from 5 to 10% of total body weight
The majority of weight loss supplements marketed online contain little to no scientific evidence of effectiveness
The most popular weight loss diets in the US include Keto, Paleo, Mediterranean, and Weight Watchers, collectively covering over 70% of diet-related searches
The average weight loss program duration is approximately 16 weeks, with higher success rates in programs longer than 12 weeks
The number of weight loss co-working spaces increased by 20% between 2018 and 2022, aimed at community support
The percentage of weight loss supplements exceeding FDA safety standards was approximately 30% as of 2021, highlighting quality concerns
The number of publications on weight loss in scientific journals doubled from 2010 to 2020, indicating rising research interest
The average success rate for commercial weight loss programs is reported to be around 30-35% over 1 year

Market Segments and Products Interpretation

Despite over 2,300 weight loss apps and countless diets promising quick fixes, the industry’s reliance on unsubstantiated supplements and short-term programs—yet with increasing scientific interest—underscores that sustainable weight loss remains more about patience and evidence than hype.

Market Size and Revenue Trends

The global weight loss and weight management market was valued at approximately $192.2 billion in 2020
The US weight loss industry revenue was estimated at $72 billion in 2020
The number of bariatric surgeries in the US increased by 20% from 2017 to 2019
Approximately 2 billion adults worldwide are overweight, with more than 650 million classified as obese
The market for diet and weight loss supplements was valued at approximately $6 billion in 2020
The ketogenic diet market is projected to reach $15 billion by 2027
The typical commercial weight loss program can cost between $1000 and $3000 per year
Medical weight loss clinics are estimated to generate approximately $1 billion annually in the US
The global market for weight loss surgery was valued at $2.4 billion in 2019
The number of online weight loss communities and forums increased by over 150% from 2015 to 2022
The global wearable devices market for fitness monitoring, including weight management, is projected to reach $62 billion by 2025
Weight loss medications prescribed in the US increased by 150% from 2010 to 2020
The number of registered dietitians and nutritionists in the US specializing in weight management increased by 25% over the past decade
The global market for meal kit delivery services targeted at weight-conscious consumers is projected to reach $21.4 billion by 2027
Globally, the nutrition and weight management industry is predicted to grow at a CAGR of 8% through 2027
The U.S. weight management market for seniors is projected to grow at a 10% CAGR from 2023 to 2030, driven by aging populations
In 2022, the most common digital marketing channel for weight loss products was social media, accounting for over 70% of advertising efforts
The percentage of health insurance plans covering medically supervised weight loss programs increased by 15% over the past five years
The global community for weight management and support groups grew by over 200% from 2015 to 2022, with millions of members worldwide
The number of online weight loss coaching services increased by 100% between 2019 and 2023, reflecting a shift toward remote support
The market for weight loss and obesity management in Asia-Pacific is anticipated to grow at a CAGR of 9% through 2027, driven by rising obesity rates

Market Size and Revenue Trends Interpretation

With a global value surpassing $192 billion and millions seeking support across digital, medical, and lifestyle platforms, the relentless expansion of the weight loss industry vividly underscores that in the battle against pounds, both innovation and marketing are winning — even as the waistlines of over two billion adults worldwide continue to expand.

Medical and Clinical Interventions

The rate of obesity among children and adolescents has risen significantly, affecting over 340 million globally
In a survey, 52% of Americans reported that they would consider surgery if other weight loss methods failed

Medical and Clinical Interventions Interpretation

With over 340 million young people worldwide grappling with obesity and more than half of Americans contemplating surgery as a last resort, it's clear that our society's approach to weight loss teeters between urgent intervention and a deeper need for sustainable, less invasive solutions.