Most Successful World Heavyweight Boxing Title Defenses All Time
Source:
Wikipedia
Key Findings
🏆
Joe Louis leads in Heavyweight Title Defenses with 25.
📊
Average Heavyweight Title Defenses: 14.88 · median: 15.
↔️
Gap: Joe Louis is 3.1× larger than Evander Holyfield.
About This Dataset
Most Successful World Heavyweight Boxing Title Defenses All Time
Heavyweight boxing champions ranked by the number of successful world title defenses throughout their career. Joe Louis's record of 25 successful heavyweight title defenses between 1937 and 1949 stands as one of the most enduring records in all of professional sport — spanning a 12-year reign that survived the Second World War and an era when the heavyweight championship was widely considered the most prestigious title in athletics.
Analysis
Joe Louis heads the table on 25, ahead of Larry Holmes (20) and Muhammad Ali (19) in Heavyweight Title Defenses. 17 separates the highest figure (25) from the lowest (8). First and second are separated by 5, so the leader sits inside the field rather than apart from it. Places 3 to 8 are close together, spanning 19 to 8.
Data Insights
Numbers, trends & sources behind this chart
Methodology & source
- Data source
- Wikipedia
- Coverage
- 8 entities · 8 observations
- Measure
- Heavyweight Title Defenses
- Last updated
- 6 September 2026
- Compiled by
- The ANYSTAT team, from the source above
How the figures are calculated
- Values use the measure and unit named on this page. Consult the dataset description and cited source for coverage, definitions and any unit conversions. Displayed values may be rounded for readability.
- Entities are ranked highest-first on their value.
Data Sources & References
All external sources cited in this dataset
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