Bodybuilding sits at a weird intersection. Part hobby, part sport, part lifestyle, part global supplement business. The numbers behind it tell a story the highlight reels don't, covering how often the average person actually trains for muscle building, how much elite competitors eat, what they take to win, and what happens to their bodies in the years after the trophy.

This page collects 44 bodybuilding statistics pulled from peer-reviewed studies, government surveys, industry reports, and primary competition data. Every figure is cited inline with a bracketed number that links to the Sources section at the bottom. The numbers cover participation, market size, training, nutrition, body composition, supplements, steroid use, mortality risk, muscle dysmorphia, and prize money at the top of the sport.

Where the research conflicts (which it often does), the page notes the disagreement instead of cherry-picking the most flattering number.

Bodybuilding and Strength Training Participation Statistics

Most bodybuilding starts with strength training. And actual strength training in the broader population is way less common than gym marketing suggests. The federal Physical Activity Guidelines call for muscle-strengthening work on two or more days per week.

In 2020, 35.2% of U.S. men and 26.9% of U.S. women aged 18 and older met the federal guideline for muscle-strengthening physical activity [1]. Participation drops sharply with age. Among men aged 18 to 44, 44.5% met the strength-training guideline, falling to 22.0% among men aged 65 and older [1]. For women, the same age gap runs from 34.1% to 17.2% [1].

When the bar is raised to meeting both the aerobic and the muscle-strengthening guidelines, only 24.2% of U.S. adults aged 18 and older cleared it in 2020, with men (28.3%) more likely to qualify than women (20.4%) [2].

Education tracks closely with compliance. In 2022, just 12.2% of U.S. adults with a high school education or less met both physical activity guidelines, compared with 33.6% of adults with a bachelor's degree or higher [3].

Bodybuilding Industry and Market Size Statistics

The fitness and supplement industries propping up bodybuilding rebounded hard from the pandemic dip. Health club operators, equipment makers, and supplement brands are all posting growth across nearly every region tracked.

In 2024, global fitness facility memberships climbed 6% year over year, average revenue grew 8%, and the number of fitness facilities expanded by nearly 4% across almost 30 countries tracked by the Health and Fitness Association [4]. Operator confidence is unusually high, with 91% expecting further revenue gains in 2025 and 83% predicting profitability gains [4].

The bodybuilding supplements market was valued at roughly $25.1 billion globally in 2024, with North America carrying a significant share of consumer demand [5]. Industry forecasters expect that figure to grow at a compound annual rate of around 9% through the early 2030s, driven largely by protein powders and creatine-based products [5].

Bodybuilder Training Practice Statistics

When researchers survey competitive bodybuilders about their bodybuilding training, the stereotypes hold up. Splits run aggressive, frequencies skew high, and per-muscle volume dwarfs anything general fitness recommendations suggest.

In a survey of 127 competitive male bodybuilders published in the Journal of Strength and Conditioning Research, 95.3% reported performing 3 to 6 sets per exercise during the off-season [6]. Rep ranges concentrated tightly, with 77.0% working in the 7 to 12 repetition maximum range per set [6].

Rest periods skewed long enough to support heavy loads. About 68.6% of bodybuilders used 61 to 120 seconds of recovery between sets and exercises during the off-season [6]. Six weeks before competition, training shifted noticeably. More respondents moved to 3 to 4 sets per exercise at the expense of 5 to 6 sets, 10 to 15 reps instead of 7 to 9, and shorter 30 to 60 second rest periods between sets [6].

Bodybuilder Diet and Nutrition Statistics

Bodybuilding nutrition is one of the most studied diets in sports science. The volume of food competitors put down is consistently bigger than recreational lifters guess.

A systematic review of dietary intake in competitive bodybuilders covering 385 participants found that male bodybuilders consumed roughly 3,800 calories per day during non-competition phases. Female competitors averaged about 2,000 calories per day [7]. Protein intake ranged from 1.9 to 4.3 grams per kilogram of body weight for men and 0.8 to 2.8 grams per kilogram for women, with absolute intakes reaching 243 to 637 grams of protein per day for some male competitors [7].

Carbohydrate intake stayed below 6 grams per kilogram per day in most studies reviewed, and fat intake fell below 30% of total calories across both sexes [7]. The review flagged a generational gap. Most published studies on bodybuilder nutrition came from the 1980s and 1990s, and the methodological quality of those studies was rated as poor [7]. The takeaway is that the field is large but thinner than it appears once old work is filtered out.

Bodybuilder Body Composition Statistics

The gap between off-season and contest-day bodies is one of the most dramatic in any sport. The published ranges show why dieting that low is rarely sustainable.

A 2023 systematic review found that during the general preparation phase, male competitive bodybuilders carried body fat between 9.6% and 16.3%. Females ranged from 15.3% to 25.2% [8]. Pre-contest, those figures collapsed. Male bodybuilders showed body fat between 5.8% and 10.7%, and females between 8.1% and 18.3% [8].

Across studies measuring relative body fat at multiple time points during contest preparation, athletes consistently dropped between 30% and 60% of their starting body fat over the prep cycle [8]. Lean mass was largely preserved through the dieting period, which is one reason high protein intake and resistance training volume stay aggressive even as calories fall [8].

Supplement Use Statistics Among Bodybuilders

Supplement use among competitive bodybuilders runs closer to universal than what you see in any other group of athletes.

In the Hackett survey of 127 competitive male bodybuilders, virtually all respondents reported using dietary supplements year-round [6]. Protein powders were the most commonly used product, with 86.4% using them in the off-season and 73.6% continuing pre-contest [6]. Creatine monohydrate use sat at 68.3% off-season among the same sample [6].

Branched-chain amino acids (BCAAs) were used by 66.9% of bodybuilders off-season and 68.5% pre-contest. Their popularity held through the prep cycle, but peer-reviewed evidence for BCAA-specific benefits in trained lifters remains weak [6]. The sheer breadth of supplement use, often stacked on top of pharmacological aids, is part of why isolating any single product's contribution to results is so hard in this group.

Anabolic Steroid Use Statistics

Anabolic-androgenic steroids are the elephant in any bodybuilding statistics roundup, even setting aside natural bodybuilding federations. Use is widespread in competitive ranks and meaningfully present in the general population, though the exact numbers swing depending on which surveys get pooled.

The best-available lifetime prevalence estimate for anabolic-androgenic steroid use in the United States was 1.05% of adults, corresponding to roughly 2.9 million American users at the time of measurement [9]. A global meta-analysis pooling 187 studies put global lifetime prevalence at 3.3%, with male lifetime use estimated at 6.4% versus 1.6% among females [10].

Among competitive bodybuilders, use is far higher. Reported rates of regular steroid use in competitive samples have ranged from roughly 54% up to more than 75%, depending on country, federation, and survey method [9][10]. In the Hackett 127-person sample, the majority of competitive bodybuilders surveyed reported some level of steroid use, and stacking of multiple compounds was common during both off-season and pre-contest phases [6].

Bodybuilding Mortality and Cardiovascular Risk Statistics

The mortality data on competitive bodybuilders is the most sobering part of this dataset. Most of it comes from one landmark 2025 study in the European Heart Journal.

Researchers tracked 20,286 male bodybuilders across 730 IFBB events over an average follow-up of 8.1 years, accounting for 190,211 athlete-years of observation [11]. Researchers identified 121 deaths during the study window, with 38% (46 cases) classified as sudden cardiac deaths [11]. The mean age at sudden cardiac death was 42.2 years [11].

Professional bodybuilders carried a much higher risk than amateurs. Sudden cardiac death incidence reached 193.63 per 100,000 athlete-years among professionals, compared with 11.84 per 100,000 athlete-years among amateurs [11]. That works out to a hazard ratio of 5.23 for professionals versus amateurs after adjusting for follow-up time [11].

Among bodybuilders competing at the time of death, the average age was just 34.7 years. Autopsies consistently flagged cardiomegaly and ventricular hypertrophy as the underlying pathology [11].

Muscle Dysmorphia and Mental Health Statistics in Bodybuilders

Muscle dysmorphia, sometimes called bigorexia, is a body image disorder marked by an intense preoccupation with being insufficiently muscular. The rates inside competitive bodybuilding sit well above general population baselines.

In samples drawn from competitive and recreational bodybuilders, prevalence of muscle dysmorphia has been reported across a wide range, from roughly 3.4% at the low end up to 53.6% at the high end, depending on assessment tool and sample [13]. A 2018 study of 120 bodybuilders found that 58.3% scored above the cutoff on the Muscle Dysmorphia Disorder Inventory, indicating clinically significant symptoms [14].

For context, full body dysmorphic disorder affects roughly 1.7% to 2.4% of the general adult population, and only an estimated 0.5% of men in the general population would meet criteria for muscle dysmorphia specifically [12]. The gap between bodybuilder samples and population baselines is one of the biggest associations on record in the body image literature.

Mr. Olympia and Bodybuilding Competition Prize Money Statistics

Mr. Olympia is the highest-paying contest in professional bodybuilding. The 2025 edition rewrote the financial record book.

The 2025 Olympia weekend posted a total prize purse of $2 million across 11 professional divisions, the largest in the contest's history [15]. The Men's Open division alone distributed $1.1 million among its top 10 finishers, with the winner taking home $600,000 [15].

The winner's check held at $400,000 from 2015 through 2023. It jumped 50% to $600,000 at the 2024 Olympia, when Olympia owner Jake Wood raised the purse for the contest's 60th anniversary, and remained at $600,000 in 2025 [16]. Second place at the 2025 Open paid $250,000, with finishers in the 6th through 10th positions earning between $10,000 and $30,000 [15]. Derek Lunsford reclaimed the title from Samson Dauda at the 61st running of the contest [15].

Sources

  1. [1] Centers for Disease Control and Prevention. "QuickStats: Percentage of Adults Aged β‰₯18 Years Who Met the Federal Guidelines for Muscle-Strengthening Physical Activity, by Age Group and Sex." MMWR Morbidity and Mortality Weekly Report, vol. 71, no. 18, 6 May 2022, https://www.cdc.gov/mmwr/volumes/71/wr/mm7118a6.htm.

  2. [2] National Center for Health Statistics. "Physical Activity Among Adults Aged 18 and Over: United States, 2020." NCHS Data Brief No. 443, Centers for Disease Control and Prevention, Aug. 2022, https://www.cdc.gov/nchs/products/databriefs/db443.htm.

  3. [3] Centers for Disease Control and Prevention. "QuickStats: Percentage of Adults Aged β‰₯25 Years Who Met the 2018 Federal Physical Activity Guidelines for Both Muscle-Strengthening and Aerobic Physical Activity, by Educational Attainment." MMWR Morbidity and Mortality Weekly Report, vol. 73, no. 22, 7 Jun. 2024, https://www.cdc.gov/mmwr/volumes/73/wr/mm7322a3.htm.

  4. [4] Health and Fitness Association. "2025 Global Fitness Industry Report Shows Record Growth and What's Next for the Market." Health and Fitness Association, 2025, https://www.healthandfitness.org/2025-global-fitness-industry-report-shows-record-growth-and-whats-next-for-the-market/.

  5. [5] Cognitive Market Research. "Bodybuilding Supplements Market Report." Cognitive Market Research, 2024, https://www.cognitivemarketresearch.com/bodybuilding-supplements-market-report.

  6. [6] Hackett, Daniel A., Nathan A. Johnson, and Chin-Moi Chow. "Training Practices and Ergogenic Aids Used by Male Bodybuilders." Journal of Strength and Conditioning Research, vol. 27, no. 6, June 2013, pp. 1609-1617, https://pubmed.ncbi.nlm.nih.gov/22990567/.

  7. [7] Spendlove, Jessica, et al. "Dietary Intake of Competitive Bodybuilders." Sports Medicine, vol. 45, no. 7, Apr. 2015, pp. 1041-1063, https://pubmed.ncbi.nlm.nih.gov/25926019/.

  8. [8] Bauer, Pascal, et al. "Body Composition of Competitive Bodybuilders: A Systematic Review of Published Data and Recommendations for Future Work." Journal of Strength and Conditioning Research, 2023, https://pubmed.ncbi.nlm.nih.gov/36727905/.

  9. [9] Pope, Harrison G., et al. "The Lifetime Prevalence of Anabolic-Androgenic Steroid Use and Dependence in Americans: Current Best Estimates." American Journal on Addictions, vol. 23, no. 4, 2014, pp. 371-377, https://pmc.ncbi.nlm.nih.gov/articles/PMC3961570/.

  10. [10] Sagoe, Dominic, et al. "The Global Epidemiology of Anabolic-Androgenic Steroid Use: A Meta-Analysis and Meta-Regression Analysis." Annals of Epidemiology, vol. 24, no. 5, 2014, pp. 383-398, https://www.sciencedirect.com/science/article/abs/pii/S1047279714000398.

  11. [11] Vecchiato, Marco, et al. "Mortality in Male Bodybuilding Athletes." European Heart Journal, vol. 46, no. 30, 2025, pp. 3006-3016, https://academic.oup.com/eurheartj/article/46/30/3006/8131432.

  12. [12] Lim, Wesley, et al. "Prevalence and Correlates of Muscle Dysmorphia in a Sample of Boys and Men in Canada and the United States." Journal of Eating Disorders, 2025, https://pmc.ncbi.nlm.nih.gov/articles/PMC11916914/.

  13. [13] Mitchell, Lachlan, et al. "Muscle Dysmorphia and Its Associated Psychological Features in Three Groups of Recreational Athletes." Scientific Reports, 2018, https://pmc.ncbi.nlm.nih.gov/articles/PMC5995876/.

  14. [14] Devrim, AslΔ±, Pelin Bilgic, and Nobuko Hongu. "Is There Any Relationship Between Body Image Perception, Eating Disorders, and Muscle Dysmorphic Disorders in Male Bodybuilders?" American Journal of Men's Health, 2018, https://pmc.ncbi.nlm.nih.gov/articles/PMC6142149/.

  15. [15] Fitness Volt. "2025 Mr. Olympia Results and Prize Money All Divisions." Fitness Volt, Oct. 2025, https://fitnessvolt.com/2025-mr-olympia-results/.

  16. [16] Generation Iron. "Here's How Much Money Was Won at the 2025 Olympia." Generation Iron, 2025, https://generationiron.com/2025-olympia-prize-money/.

Jaysen Sudnykovych