Title defences
15
Career wins
38
Knockouts
17
World title reigns
2
Career losses
4
Category profile
- Dominance
- 88
- Peak
- 94
- Longevity
- 78
- Honours
- 88
- Statistics
- 92
Career timeline · Form index per season
Editorial season form index (0–100), not raw goals or points. Raw season-by-season statistics are shown only where fully verified.
| Season | Form index per season | Share of career |
|---|---|---|
| 1980 | 45 | |
| 1981 | 54 | |
| 1982 | 63 | |
| 1983 | 72 | |
| 1984 | 80 | |
| 1985 | 89 | |
| 1986 | 98 | |
| 1987 | 84 | |
| 1988 | 71 | |
| 1989 | 57 | |
| 1990 | 44 | |
| 1991 | 30 |
Data sources
- International Boxing Hall of Fame
- BoxRec records
- Ring Magazine archives
Last verified: 2026-09-14
Figures come from public records and are normalised per sport. See the methodology for category weights. Method
Why Chang Jung-koo ranks #58 in Boxing
Chang Jung-koo ranks #58 in Boxing and #558 of 5087 across all sports. The verified GOAT Score is 87.8/100.
The verified career covers 1980–1991 and 12 documented seasons. Peak is 94/100, with Peak the strongest category at 94/100 (20% weight). Key metrics: Title defences 15, Career wins 38, Knockouts 17, World title reigns 2.
Nearest context: ahead Humberto González (87.8); behind Georges Carpentier (87.7). Rankings update whenever verified records change.
Chang Jung-koo GOAT Score explained
- Dominance88/100 · weight 25%
- Dominance: 88/100, based on the verified career record.
- Peak94/100 · weight 20%
- Peak: 94/100, based on the verified career record.
- Longevity78/100 · weight 20%
- Longevity: 78/100, based on the verified career record.
- Honours88/100 · weight 20%
- Honours: 88/100, based on the verified career record.
- Statistics92/100 · weight 15%
- Statistics: 92/100, based on the verified career record.
Top Chang comparisons
Chang Jung-koo — frequently asked
- Is Chang Jung-koo the GOAT?
- According to GOAT Rank's current data model, Chang Jung-koo ranks #58 in Boxing with a GOAT Score of 87.8/100, behind Sugar Ray Robinson (94.3).
- What is Chang Jung-koo's GOAT Score?
- 87.8/100, calculated from the verified career record: Dominance 88 (25%), Peak 94 (20%), Longevity 78 (20%), Honours 88 (20%), Statistics 92 (15%).
- Where does Chang Jung-koo rank all time?
- #558 of 5087 eligible athletes across all sports and #58 in Boxing.
- Chang Jung-koo vs Humberto González: who ranks higher?
- Chang Jung-koo ranks higher at 87.8 versus Humberto González at 87.8, a margin of 0.0 points.