RIANZ

The Recording Industry Association of New Zealand (RIANZ) is a non-profit trade association of record producers, distributors and recording artists in New Zealand.RIANZ is the organisation which releases the official New Zealand singles and album charts. The Top 40 Singles Chart consists of data from both singles sales figures and radio play (airplay) information gathered by radio data collection agency Radioscope; both have a 50% weighting.RIANZ also publishes an annual ranking chart of singles and albums released in New Zealand. Position is awarded by a simple scoring system whereby a number one in one week gets 50 points, a number two gets 49 points and so on, then all weeks are added together.
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La Recording Industry Association of New Zealand (Rianz) est une association de producteur à but non lucratif qui effectue les classements de vente de musique par semaine en Nouvelle-Zélande.
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