By the numbers

42.9 percent of New Zealanders surveyed by Global Web Index have used ad-blocking tools to stop websites from displaying advertisements when visited.

29.6 percent of New Zealanders surveyed by Global Web Index have deleted cookies to stop a website from remembering them.

16 percent of New Zealanders surveyed by Global Web Index have used an ad-blocker on their mobile phone.

13.9 percent of New Zealanders surveyed by Global Web Index have used antitracking tools to stop companies monitoring their internet activites.

54 percent of males use ad blockers.

29 percent of females use ad blockers.

61 percent of 18- to 24-year-olds use ad blockers.