Wealth, measured comprehensively to include all assets (produced, human, and natural capital) underpins national income, and sustained growth over the long term requires investment in this broad portfolio of assets. Changing Wealth of Nations 2020 firmly establishes wealth as a measure of sustainability and key component of country analytics by i) expanding the coverage and improving the quality of all assets, notably natural capital, and ii) demonstrating how wealth accounts can be applied in analytics to areas of major policy concern like climate change and natural resource policy reform.