RNZ reports the practice sees people contribute money to large occasions such as funerals, weddings and significant birthdays.
University of Auckland Pacific studies student Robyn Lesatale surveyed more than 400 Auckland Samoan students about the practice.
Ms Lesatale says most took a lot of pride in fa'alavelave.
“It’s part of our culture, part of our identity the love and respect we get from our parents, it’s an obligation that encourages a sense of community and reciprocity.”