The global cat population in 2025 is estimated to be between 600 million and 1 billion cats. This includes approximately 350 to 373 million pet cats, about 480 million stray or feral cats, and roughly 100 million wild cats such as lions and tigers. The largest populations of pet cats are in countries like the United States (around 74 million), China (53 to 71.5 million), and Russia (23 to 49 million).