Over the four decades to 2019, taxes in OECD countries had remained roughly constant, both in terms of the sources that were taxed and the proportion of tax revenue to GDP. But this apparent stability had concealed serious threats to the nature of public finance. 

This Case Centre on Public Leadership note briefly examines the situation as of 2019 and some options for the future of taxation in the 2020s, with a view toward enabling further conversation amongst an informed policy-making audience.