•The number of tertiary educated young people (25-34 years old) in OECD and G20 countries has grown by nearly 45% in the past decade and is expected to keep growing until 2030. • If current trends continue, the contribution of OECD countries to the global talent pool will keep shrinking through 2030. • China and India are expected to supply more than 60% of the G20 workforce with a qualification in science, technology, engineering and mathematics by 2030.