| 01 | silica gel | 45.4 |
| 02 | Boxiecat | 33.4 |
| 03 | Pine or other plant-based litters | 32.3 |
| 04 | Catalyst Pet Softwood Natural Clumping Cat Litter | 27.6 |
| 05 | Dr. Elsey’s Precious Cat Ultra Unscented Clumping Clay Litter | 25.0 |
| 06 | Clumping clay litter with odor-control additives | 23.1 |
| 07 | Ever Clean Extra-Strength Cat Litter | 20.8 |
| 08 | Feline Pine | 20.6 |
| 09 | Activated-charcoal or deodorizer-enhanced litters | 20.3 |
| 10 | Clumping Clay (Bentonite) | 20.0 |
| 11 | Purina Tidy Cats Naturally Strong Unscented Cat Litter | 19.2 |
| 12 | ARM & HAMMER Clump & Seal | 17.8 |
| 13 | World’s Best Cat Litter (Unscented) | 16.0 |
| 14 | chewy.com | 15.0 |
| 15 | Fresh Step Heavy Duty | 15.0 |
| 16 | Wirecutter | 15.0 |
| 17 | Tuft & Paw OdorStop | 15.0 |
| 18 | Arm & Hammer Clump & Seal Multi-Cat Litter | 14.7 |
| 19 | thesprucepets.com | 13.1 |
| 20 | Fresh Step Advanced Odor Shield | 11.5 |
| 21 | Catalyst Pet Multi-Cat | 11.5 |
| 22 | Ultra Micro Crystals | 11.5 |
| 23 | Amazon | 11.5 |
| 24 | Ökocat | 10.2 |
| 25 | Arm & Hammer Super Scoop | 10.2 |
| 26 | Fresh Step Advanced Simply Unscented Clumping Cat Litter | 7.7 |
| 27 | Naturally Fresh Walnut Shell Cat Litter | 5.4 |
| 28 | PetSafe ScoopFree Premium Blue Crystal Litter | 5.1 |