Tagalog is the predominant dialect, spoken by 76.4% of Caloocan's population, followed by Iloco (4.9%), Samar-Leyte (3.3%), Pampango (3.0%), Bicol (2.8%), Chinese (2.6%), Cebuano (1.9%), Hiligaynon (1.9%), Pangasinan (1.7%), and the remaining 1.5% speak any of the other dialects used in the country. Pilipino can be spoken by 98.0% of the population, English by 66.1%, and Spanish by 8.4%.
English and Filipino (formerly spelled Pilipino), which is based on Tagalog, are the country’s official languages. About 55 percent of the population speaks Filipino. English is commonly used for educational, governmental, and commercial purposes.