Timespan between first and last time ranked at Year-End No. 1
The longest year-end career span at No. 1 in ATP history belongs to Novak Djokovic: 12 seasons, from 2011 to 2023. Second is Rafael Nadal (11 seasons).
| Rank | Player | Timespan (years) | First year | Last year |
|---|---|---|---|---|
| 1 | 12 | 2011 | 2023 | |
| 2 | 11 | 2008 | 2019 | |
| 3 | 5 | 2004 | 2009 | |
| 4 | 5 | 1993 | 1998 | |
| 5 | 4 | 1985 | 1989 | |
| 6 | 4 | 1974 | 1978 | |
| 7 | 3 | 2022 | 2025 | |
| 8 | 3 | 1981 | 1984 | |
| 9 | 1 | 2001 | 2002 | |
| 10 | 1 | 1990 | 1991 | |
| 11 | 1 | 1979 | 1980 | |
| 12 | 0 | 2026 | 2026 | |
| 13 | 0 | 2024 | 2024 | |
| 14 | 0 | 2016 | 2016 | |
| 15 | 0 | 2003 | 2003 | |
| 16 | 0 | 2000 | 2000 | |
| 17 | 0 | 1999 | 1999 | |
| 18 | 0 | 1992 | 1992 | |
| 19 | 0 | 1988 | 1988 | |
| 20 | 0 | 1975 | 1975 |
