1988 CART Series Nations Cup Championship Standings
| # | Country | Points | |
|---|---|---|---|
| 1. |  United States |
317 |
|
| 2. |  Brasil |
158 |
|
| 3. |  Italy |
52 |
|
| 4. |  Canada |
50 |
|
| 5. |  Ireland |
45 |
|
| 6. |  Colombia |
40 |
|
| 7. |  Netherlands |
31 |
|
| 8. |  Belgium |
29 |
|
| 9. |  England |
8 |
|
| = |  Mexico |
8 |
|
| 11. |  Switzerland |
0 |
|
| = |  Finland |
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.