| Title | Age |
|---|---|
| Civil engineering | 8 years, 51 weeks and 1 day |
| Engineering | 8 years, 51 weeks and 1 day |
| Johnny Cash | 8 years, 51 weeks and 1 day |
| Physics | 8 years, 51 weeks and 1 day |
| John Cena | 8 years, 51 weeks and 1 day |
| John F. Kennedy | 8 years, 51 weeks and 1 day |
| Joseph Stalin | 8 years, 51 weeks and 1 day |
| Johnny Depp | 8 years, 51 weeks and 1 day |
| John Kerry | 8 years, 51 weeks and 1 day |
| Jos Verstappen | 8 years, 51 weeks and 1 day |