On average across OECD countries, students who are highly motivated to learn mathematics because they believe it will help them later on score better in mathematics – by the equivalent of half a year of schooling – than students who are not highly motivated. Students’ motivation to learn...

Fewer 15-year-olds in East Asian countries reported that they use memorisation than did 15‑year‑olds in some of the English-speaking countries to whom they are often compared. In no PISA-participating education system did boys report more intensive use of memorisation than girls when...

In most school systems, over 50% of 15-year-olds students attend schools that compete with another school to attract students from the same residential area. Across countries and economies, performance is unrelated to whether or not schools have to compete for students. When choosing a school...

Regardless of the type of school attended (public or private, advantaged or disadvantaged), 15-year-old students spent more time in mathematics lessons in 2012 than in 2003. The average amount of time spent in mathematics classes varies by more than a factor of two across countries and...

This dataset reports average personal income tax and social security contribution rates for a single person without dependent, at various multiples (67%, 100%, 133%, 167%) of the AW/APW. The average wage (AW) is based on a single person at 100% of average earnings, no child. The results use tax...

This dataset reports average personal income tax and social security contribution rates for a single person without dependent, at various multiples (67%, 100%, 133%, 167%) of the AW/APW. The average wage (AW) is based on a single person at 100% of average earnings, no child. The results use tax...

This dataset reports average personal income tax and social security contribution rates for a single person without dependent, at various multiples (67%, 100%, 133%, 167%) of the AW/APW. The average wage (AW) is based on a single person at 100% of average earnings, no child. The results use tax...