Go to Instagram app > Profile > Menu (☰) > Settings and privacy > Accounts Centre > Personal details > Account ownership and control > Deactivation or deletion > Select account > Delete account > Continue and confirm. Your account will be permanently deleted after 30 days.
To delete your Instagram account in 2025, log in via a web browser, go to Delete Your Account page, select a reason, enter your password, and confirm. Your account and all data will be permanently removed.