| Member | State | # of unique Kaplan 100 spoken | Total usage of Kaplan 100 | (per 100,000 words) | Grade level |
|---|---|---|---|---|---|
| Sen. Patrick Leahy | VT | 27 | 131 | 46.7 | 12.7 |
| Sen. Richard Durbin | IL | 26 | 122 | 28.4 | 10.3 |
| Sen. Orrin Hatch | UT | 25 | 73 | 40.6 | 11.7 |
| Sen. Mitch McConnell | KY | 24 | 59 | 26.8 | 11.1 |
| Sen. Benjamin Cardin | MD | 22 | 73 | 50.2 | 11.9 |
| Rep. Dennis Kucinich | OH | 21 | 76 | 51.4 | 12.1 |
| Rep. Steve King | IA | 21 | 93 | 48.2 | 10 |
| Sen. Dianne Feinstein | CA | 20 | 80 | 60.4 | 12.4 |
| Sen. John McCain | AZ | 20 | 72 | 50 | 12.6 |
| Sen. Olympia Snowe | ME | 20 | 77 | 76.5 | 14 |