1990 CART Series Nations Cup Championship Standings
| # | Country | Points | |
|---|---|---|---|
| 1. | 312 |
|
|
| 2. | 151 |
|
|
| 3. | 90 |
|
|
| 4. | 39 |
|
|
| 5. | 33 |
|
|
| 6. | 24 |
|
|
| 7. | 15 |
|
|
| 8. | 1 |
|
|
| = | 1 |
|
|
| 10. | 0 |
|
|
| = | 0 |
|
|
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.