Some countries have this for selected occupations that are commonly bursty. It could be good if it was generally available: https://www.ato.gov.au/business/pri

Some countries have this for selected occupations that are commonly bursty. It could be good if it was generally available: https://www.ato.gov.au/business/primary-producers/in-detail/tax-averaging-for-primary-producers/ https://www.ato.gov.au/business/primary-producers/in-detail/...