| Youth career | |||
|---|---|---|---|
| 1999–2000 | Ebedei | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 2000–2001 | Reggiana | 2 | (0) |
| 2001–2006 | Inter Milan[2] | 88 | (28) |
| 2006–2009 | Newcastle United | 88 | (28) |
| 2009–2010 | VfL Wolfsburg | 16 | (6) |
| 2010–2012 | Rubin Kazan | 20 | (3) |
| 2011 | → Birmingham City (loan) | 4 | (0) |
| 2012–2013 | Levante | 21 | (7) |
| 2013–2015 | Seattle Sounders FC | 72 | (40) |
| 2016–2018 | Shanghai Shenhua | 40 | (19) |
| 2020 | Shanghai Shenhua | 4 | (0) |
| 2020 | Wuhan | 6 | (1) |
| Total | 361 | (132) | |
| International career | |||
| 2004–2015 | Nigeria | 42 | (18) |
| *Club domestic league appearances and goals | |||