| 01 | World’s Best Cat Litter (Unscented) | 57.8 |
| 02 | Dr. Elsey’s Ultra Unscented Clumping Clay Cat Litter | 53.8 |
| 03 | unscented clumping clay with charcoal | 41.0 |
| 04 | Ever Clean Extra-Strength Cat Litter | 30.0 |
| 05 | Fresh Step Heavy Duty 30-Day Odor Control | 30.0 |
| 06 | Arm & Hammer's Clump & Seal Slide | 30.0 |
| 07 | unscented clumping clay litters with baking soda or activated carbon | 30.0 |
| 08 | ARM & HAMMER Clump & Seal | 29.0 |
| 09 | Purina Tidy Cats BREEZE Litter System | 29.0 |
| 10 | World’s Best Cat Litter (Multi-Cat Unscented) | 29.0 |
| 11 | PrettyLitter | 29.0 |
| 12 | Silica-crystal litter | 25.6 |
| 13 | Catalyst Pet Softwood Natural Clumping Cat Litter | 23.1 |
| 14 | Arm & Hammer | 23.1 |
| 15 | Naturally Fresh Walnut-Based Litter | 22.3 |
| 16 | Arm and Hammer 99.9% dust free, hard clumping litter | 20.3 |
| 17 | Nature's Miracle corn-based litter | 20.3 |
| 18 | Boxiecat Pro Deep Clean Probiotic Clay Litter | 19.6 |
| 19 | Ökocat Super Soft | 19.6 |
| 20 | Arm & Hammer Clump & Seal Multi-Cat Litter | 18.7 |