The ITF Women's Circuit is the second tier tour for women's professional tennis organised by the International Tennis Federation, and is the tier below the WTA Tour. In 2006, the ITF Women's Circuit included tournaments with prize money ranging from $10,000 to $75,000.
The ITF world champions in 2006 were Justine Henin (senior singles), Lisa Raymond / Samantha Stosur (senior doubles) and Anastasia Pavlyuchenkova (combined junior ranking).[1]
| Event category | Number of events | Total prize money | |
|---|---|---|---|
| $75,000 | 18 | $1,350,000 | |
| $50,000 | 37 | $1,850,000 | |
| $25,000 | 125 | $3,125,000 | |
| $10,000 | 228 | $2,280,000 | |
| Total | 408 | $8,605,000 |
| Region | Number of events | Total prize money | |
|---|---|---|---|
| Africa | 12 | $150,000 | |
| Asia | 63 | $1,445,000 | |
| Central America/Caribbean | 22 | $370,000 | |
| Europe | 232 | $4,440,000 | |
| North America | 47 | $1,715,000 | |
| Oceania | 13 | $265,000 | |
| South America | 19 | $220,000 | |
| Total | 408 | $8,605,000 |
| Rank | Nation | Titles won | |
|---|---|---|---|
| 1. |  United States | 29 | |
| 2. |  Russia | 26 | |
| 3. | Germany | 25 | |
| 4. |  France | 23 | |
| = |  Romania | 23 | |
| 6. |  Italy | 19 | |
| 7. |  Argentina | 18 | |
| 8. |  Ukraine | 16 | |
| 9. |  China | 13 | |
| = |  Spain | 13 | |
| = |  Japan | 13 | |
| 12. |  Czech Republic | 12 | |
| 13. |  Great Britain | 11 | |
| 14. | Netherlands | 10 | |
| 15. |  Hungary | 9 | |
| 16. |  Brazil | 8 | |
| = | Croatia | 8 | |
| = |  Serbia | 8 | |
| 19. |  Slovak Republic | 7 | |
| = | Chinese Taipei | 7 |