Is World's Best Cat Litter Made in USA?
Last checked Oct 17, 2026 · 4 verified products · see the evidence
Yes — Made in USA
World's Best Cat Litter manufactures its products in the United States — specifically in Muscatine, IA. Sources: the brand's own website and 4 Amazon listings that state US origin. Each is quoted and dated below.
Top verified pick
World's Best Cat Litter, Multiple Cat, Unscented, Odor Control, 15 lb Bag94% American ScoreAmerican Score
Average American Score across 4 verified products — scores ≥70% are shown on this site.
Manufacturing Details
- Made in
- Muscatine, IA
- Headquarters
- Muscatine, IA
- Location detail
- Specific city confirmed
- History
- Long-established (50+ years)
- Founded
- 1996
How we verified World's Best Cat Litter
Most recent check: Oct 17, 2026
From the brand's website
“World's Best Cat Litter® is produced by Kent Pet Group in Muscatine, Iowa.”
worldsbestcatlitter.com · checked Sep 27, 2026
Amazon listings
We read the live Amazon listing for 4 of the 4 World's Best Cat Litter products on this page (most recently Oct 11, 2026). All of them state US origin on the listing itself:
- “made in the USA” on World's Best Cat Litter, Multiple Cat, Unscented, Odor Control, 15 lb Bag
- “made in the USA” on World's Best Cat Litter Multiple Cat, Unscented, Odor Control, 32 lb Bag
- “made in the USA” on World's Best Cat Litter Comfort Care, Unscented, Odor Control, 32 lb Bag
These checks are run by our software on a schedule: brand websites are re-read about every three weeks, Amazon listings weekly, and news is scanned monthly. Every flag is checked against its original source before anything on this page changes. How the American Score works.
About World's Best Cat Litter
World's Best Cat Litter has produced whole-kernel-corn clumping cat litter since 1996, manufactured by parent company Kent Pet Group in Muscatine, Iowa.
Heritage & History
World's Best Cat Litter began in 1996, when a group of scientists set out to create the best clumping cat litter possible and developed a process that turns natural corn into litter that is safe for cats and free of harmful chemicals, artificial perfumes, and clay dust.
The brand, produced by Kent Pet Group, a subsidiary of Kent Corporation, has grown to ten formulas sold online and in major retailers including Target and Walmart, and has donated more than nine million pounds of litter to rescue cats through its GiveLitter program.
Made in Muscatine, Iowa
World's Best Cat Litter is produced by Kent Pet Group in Muscatine, Iowa, using a patented process that compresses whole-kernel corn grown in the U.S. into super-absorbent, clumping granules.
The corn-based formula is naturally free of clay dust, sodium bentonite, and artificial perfumes, and every formula has been tested and proven flushable and septic-safe.
American-Made World's Best Cat Litter Products
USA Verified
USA Verified
USA Verified
Frequently Asked Questions
Is World's Best Cat Litter made in the USA?
Yes. World's Best Cat Litter is made in the United States, manufactured in Muscatine, IA. Producer of whole-kernel-corn clumping cat litter since 1996, manufactured by Kent Pet Group (a subsidiary of Kent Corporation) in Muscatine, Iowa. Brand's own FAQ confirms the Muscatine, Iowa production location.
Where is World's Best Cat Litter made?
World's Best Cat Litter is made in Muscatine, IA. The company is headquartered in Muscatine, IA.
Which World's Best Cat Litter products are made in the USA?
We carry 4 verified American-made World's Best Cat Litter products across Pet Supplies. Every listing links directly to a trusted online store with verified manufacturing evidence.