The purpose of this study will be to analyze financial development on economic growth high-income countries. This study uses the panel data with a fixed effect model approach. Data is secondary data starting from 1998-2019 sourced from the World Bank. The results showed that, domestic credit to private sector had a not significant effect on economic growth high-income countries, bank overhead costs had a not significant effect on economic growth high-income countries, net interest margin had a not significant effect on economic growth high-income countries, non-interest income has a significant effect on economic growth high-income countries, gross domestic savings has a significant effect on economic growth high-income countries.