We document trends in global education inequality and its between within-country components using absolute, intermediate relative measures. Existing studies have relied on converting categorical variables into continuous ones to estimate levels of inequality. Such procedures might not capture recent expansions the duration educational programmes. therefore compiled a database 1164 datasets with...

Significance By analyzing a global sample of 4 million authors and 26 scientific papers, this study finds that the top 1% most-cited scientists have increased their cumulative citation shares from 14 to 21% between 2000 2015 Gini coefficient for imbalance has risen 0.65 0.70. The growing concentration should be understood in context diverging trends publication collaboration activities compared...