All charts are compiled from data of both physical and digital sales from music retailers in New Zealand.
[1] The chart also publishes gold and platinum certifications of albums and singles, according to thresholds set by Recorded Music NZ, through the dababase on radioscope.net.nz.
[4][5] Before 1975, music charts in New Zealand had been regionally compiled by magazines, record stores, and radio stations on an ad hoc basis.
[6][7] From May 1975 to 2004, RIANZ also published an nationwide annual ranking chart of singles and albums released in New Zealand.
From 2004 onwards, however, the annual charts have songs positioned based on the number of sales for that year.
The new Chart website also provides the ability to listen to song previews, view music videos, and buy tracks and albums.
[21] The following chart achievements were noted: Gold and Platinum certifications are awarded once a release hits the qualifying thresholds, which are based on chart-eligible retail sales and paid stream equivalent data.