2003 CART Series Nations Cup Championship Standings
| # | Country | Points | |
|---|---|---|---|
| 1. |  Canada |
298 |
|
| 2. |  Mexico |
262 |
|
| 3. |  Brasil |
228 |
|
| 4. |  France |
161 |
|
| 5. |  United States |
107 |
|
| 6. |  Spain |
106 |
|
| 7. |  England |
103 |
|
| 8. |  Portugal |
28 |
|
| 9. |  Finland |
26 |
|
| 10. |  Italy |
25 |
|
| 11. |  Switzerland |
6 |
|
| 12. |  Malaysia |
4 |
|
Note: The team championship is not an official IndyCar championship. It is based on own calculations, where the points scored by the two highest-ranked cars from each team are added together for each race.