The U.S. is one of the world’s few economies that could struggle with high unemployment through 2030, according to an analysis The Boston Consulting Group will release Wednesday.

Based on forecasts for labor supply and demand in 25 large developed and developing countries, BCG calculated the U.S. could have a worker surplus equal to between 10% and 13% of its labor force in 2020 and of 4% to 11% in 2030. It calculated Germany will have worker shortages in both years, while China could move from a surplus in 2020 to a shortage in 2030.