"Anecdotal feedback from staff suggests Police are taking an education and prevention approach, which includes proactively engaging with various groups, such as university students, on this issue."
Police said it was also important to note that the data provided did not include warnings.
"We cannot address alcohol-related offending or anti-social behaviour alone - we ask everyone to take responsibility for themselves and their friends when it comes to alcohol."
In total across Aotearoa, the offences listed went from 4565 in 2016 to around 1500 in 2019 and 2020.
The number of infringement offences for providing false evidence of age also decreased across the country, falling from 287 in 2016 to 73 five years later.
Wellington City Councillor Iona Pannet believed the Liquor Ban Zones potentially "move the problem" and as a general rule she hasn't supported them.
"They can be disproportionately used against vulnerable groups of people. I don't think we should be using a punitive approach but a supportive one."
She said they had been extended in Wellington over the past 10 years and she felt deeply that it can be used against young and street people.