.io vs .org

.org is 9 times the size of .io: 12,604,255 domains in June 2026 against about 1.37 million in October 2026. .io grew 20% since September 2025; .org grew 6.3% in a year, by independent estimates.

.io is the country code of the British Indian Ocean Territory, run by Internet Computer Bureau. .org is a generic TLD, run by Public Interest Registry.