1999 Session
| Senator party-state | Yea | Nay | No Vote | Party Defections |
|---|---|---|---|---|
| Abraham R-MI | 276 | 96 | 0 (0.00%) | 40 (10.70%) |
| Akaka D-HI | 191 | 181 | 0 (0.00%) | 22 (5.88%) |
| Allard R-CO | 254 | 114 | 4 (1.07%) | 30 (8.02%) |
| Ashcroft R-MO | 260 | 109 | 3 (0.80%) | 21 (5.61%) |
| Baucus D-MT | 204 | 165 | 3 (0.80%) | 36 (9.63%) |
| Bayh D-IN | 198 | 174 | 0 (0.00%) | 41 (10.96%) |
| Bennett R-UT | 271 | 97 | 4 (1.07%) | 21 (5.61%) |
| Biden D-DE | 189 | 168 | 15 (4.01%) | 29 (7.75%) |
| Bingaman D-NM | 208 | 162 | 2 (0.53%) | 38 (10.16%) |
| Bond R-MO | 266 | 100 | 6 (1.60%) | 24 (6.42%) |
| Boxer D-CA | 185 | 174 | 13 (3.48%) | 26 (6.95%) |
| Breaux D-LA | 217 | 147 | 8 (2.14%) | 66 (17.65%) |
| Brownback R-KS | 258 | 108 | 6 (1.60%) | 24 (6.42%) |
| Bryan D-NV | 209 | 163 | 0 (0.00%) | 30 (8.02%) |
| Bunning R-KY | 251 | 112 | 9 (2.41%) | 32 (8.56%) |
| Burns R-MT | 260 | 110 | 2 (0.53%) | 29 (7.75%) |
| Byrd D-WV | 211 | 158 | 2 (0.53%) | 63 (16.84%) |
| Campbell R-CO | 269 | 101 | 2 (0.53%) | 43 (11.50%) |
| Chafee, J. R-RI | 214 | 102 | 22 (5.88%) | 70 (18.72%) |
| Chafee, L. R-RI | 14 | 7 | 0 (0.00%) | 4 (1.07%) |
| Cleland D-GA | 197 | 174 | 1 (0.27%) | 29 (7.75%) |
| Cochran R-MS | 272 | 95 | 5 (1.34%) | 21 (5.61%) |
| Collins R-ME | 254 | 118 | 0 (0.00%) | 74 (19.79%) |
| Conrad D-ND | 201 | 170 | 1 (0.27%) | 40 (10.70%) |
| Coverdell R-GA | 267 | 105 | 0 (0.00%) | 17 (4.55%) |
| Craig R-ID | 264 | 107 | 1 (0.27%) | 20 (5.35%) |
| Crapo R-ID | 247 | 111 | 14 (3.74%) | 20 (5.35%) |
| Daschle D-SD | 206 | 162 | 4 (1.07%) | 22 (5.88%) |
| DeWine R-OH | 278 | 93 | 1 (0.27%) | 47 (12.57%) |
| Dodd D-CT | 197 | 158 | 17 (4.55%) | 32 (8.56%) |
| Domenici R-NM | 274 | 92 | 6 (1.60%) | 20 (5.35%) |
| Dorgan D-ND | 202 | 165 | 5 (1.34%) | 40 (10.70%) |
| Durbin D-IL | 194 | 178 | 0 (0.00%) | 23 (6.15%) |
| Edwards D-NC | 200 | 169 | 3 (0.80%) | 31 (8.29%) |
| Enzi R-WY | 249 | 122 | 1 (0.27%) | 34 (9.09%) |
| Feingold D-WI | 178 | 193 | 1 (0.27%) | 70 (18.72%) |
| Feinstein D-CA | 203 | 167 | 2 (0.53%) | 24 (6.42%) |
| Fitzgerald R-IL | 240 | 114 | 0 (0.00%) | 64 (17.11%) |
| Frist R-TN | 267 | 101 | 4 (1.07%) | 13 (3.48%) |
| Gorton R-WA | 262 | 99 | 9 (2.41%) | 25 (6.68%) |
| Graham D-FL | 198 | 168 | 6 (1.60%) | 49 (13.10%) |
| Gramm R-TX | 253 | 114 | 5 (1.34%) | 30 (8.02%) |
| Grams R-MN | 256 | 115 | 1 (0.27%) | 27 (7.22%) |
| Grassley R-IA | 265 | 107 | 0 (0.00%) | 31 (8.29%) |
| Gregg R-NH | 248 | 108 | 16 (4.28%) | 38 (10.16%) |
| Hagel R-NE | 260 | 110 | 2 (0.53%) | 35 (9.36%) |
| Harkin D-IA | 193 | 170 | 9 (2.41%) | 20 (5.35%) |
| Hatch R-UT | 266 | 95 | 11 (2.94%) | 24 (6.42%) |
| Helms R-NC | 253 | 113 | 5 (1.34%) | 41 (10.96%) |
| Hollings D-SC | 203 | 159 | 10 (2.67%) | 41 (10.96%) |
| Hutchinson R-AR | 254 | 109 | 9 (2.41%) | 26 (6.95%) |
| Hutchison R-TX | 267 | 101 | 4 (1.07%) | 35 (9.36%) |
| Inhofe R-OK | 249 | 112 | 11 (2.94%) | 33 (8.82%) |
| Inouye D-HI | 194 | 155 | 23 (6.15%) | 33 (8.82%) |
| Jeffords R-VT | 252 | 114 | 6 (1.60%) | 88 (23.53%) |
| Johnson D-SD | 209 | 163 | 0 (0.00%) | 28 (7.49%) |
| Kennedy D-MA | 182 | 162 | 28 (7.49%) | 15 (4.01%) |
| Kerrey D-NE | 217 | 155 | 0 (0.00%) | 38 (10.16%) |
| Kerry D-MA | 203 | 164 | 5 (1.34%) | 19 (5.08%) |
| Kohl D-WI | 197 | 167 | 8 (2.14%) | 43 (11.50%) |
| Kyl R-AZ | 264 | 106 | 2 (0.53%) | 29 (7.75%) |
| Landrieu D-LA | 209 | 154 | 9 (2.41%) | 47 (12.57%) |
| Lautenberg D-NJ | 185 | 170 | 17 (4.55%) | 28 (7.49%) |
| Leahy D-VT | 199 | 167 | 6 (1.60%) | 28 (7.49%) |
| Levin D-MI | 193 | 176 | 3 (0.80%) | 17 (4.55%) |
| Lieberman D-CT | 209 | 158 | 5 (1.34%) | 37 (9.89%) |
| Lincoln D-AR | 219 | 153 | 0 (0.00%) | 44 (11.76%) |
| Lott R-MS | 270 | 101 | 1 (0.27%) | 15 (4.01%) |
| Lugar R-IN | 263 | 96 | 13 (3.48%) | 37 (9.89%) |
| Mack R-FL | 249 | 96 | 27 (7.22%) | 21 (5.61%) |
| McCain R-AZ | 165 | 73 | 132 (35.29%) | 39 (10.43%) |
| McConnell R-KY | 278 | 94 | 0 (0.00%) | 18 (4.81%) |
| Mikulski D-MD | 191 | 173 | 8 (2.14%) | 20 (5.35%) |
| Moynihan D-NY | 180 | 138 | 54 (14.44%) | 40 (10.70%) |
| Murkowski R-AK | 258 | 97 | 17 (4.55%) | 14 (3.74%) |
| Murray D-WA | 196 | 159 | 17 (4.55%) | 23 (6.15%) |
| Nickles R-OK | 251 | 119 | 2 (0.53%) | 29 (7.75%) |
| Reed D-RI | 192 | 177 | 3 (0.80%) | 22 (5.88%) |
| Reid D-NV | 207 | 165 | 0 (0.00%) | 30 (8.02%) |
| Robb D-VA | 205 | 167 | 0 (0.00%) | 38 (10.16%) |
| Roberts R-KS | 269 | 101 | 2 (0.53%) | 21 (5.61%) |
| Rockefeller D-WV | 201 | 168 | 3 (0.80%) | 20 (5.35%) |
| Roth R-DE | 250 | 120 | 1 (0.27%) | 45 (12.03%) |
| Santorum R-PA | 270 | 97 | 5 (1.34%) | 34 (9.09%) |
| Sarbanes D-MD | 190 | 179 | 3 (0.80%) | 18 (4.81%) |
| Schumer D-NY | 200 | 170 | 2 (0.53%) | 21 (5.61%) |
| Sessions R-AL | 256 | 110 | 5 (1.34%) | 30 (8.02%) |
| Shelby R-AL | 262 | 103 | 7 (1.87%) | 35 (9.36%) |
| Smith R-NH | 241 | 131 | 0 (0.00%) | 61 (16.31%) |
| Smith R-OR | 261 | 102 | 9 (2.41%) | 39 (10.43%) |
| Snowe R-ME | 254 | 118 | 0 (0.00%) | 86 (22.99%) |
| Specter R-PA | 266 | 104 | 2 (0.53%) | 102 (27.27%) |
| Stevens R-AK | 275 | 93 | 4 (1.07%) | 31 (8.29%) |
| Thomas R-WY | 246 | 112 | 13 (3.48%) | 28 (7.49%) |
| Thompson R-TN | 263 | 109 | 0 (0.00%) | 29 (7.75%) |
| Thurmond R-SC | 266 | 106 | 0 (0.00%) | 32 (8.56%) |
| Torricelli D-NJ | 198 | 161 | 13 (3.48%) | 34 (9.09%) |
| Voinovich R-OH | 235 | 125 | 12 (3.21%) | 53 (14.17%) |
| Warner R-VA | 264 | 103 | 2 (0.53%) | 37 (9.89%) |
| Wellstone D-MN | 177 | 189 | 6 (1.60%) | 43 (11.50%) |
| Wyden D-OR | 201 | 170 | 1 (0.27%) | 31 (8.29%) |
| Average | 231.04 | 133.12 | 7.41 | 34.55 (9.24 %) |
| Average D | 198.62 | 166.33 | 7.02 | 33.09 (8.85 %) |
| Average R | 252.96 | 104.05 | 7.59 | 35.11 (9.39 %) |