Denmark has a comparatively small share of low-performing students, but also a relatively low proportion of top-performing students. The difference in performance between the 90th and the 10th percentiles is comparatively small. Across assessments, the share of top-performing students has remained stable in science, but decreased since 2003 in mathematics (from 15.9% to 10%) and reading (from 8.1% to 5.4%).