Adult literacy rate in Croatia is 99.3%. Male literacy is 99.7%. Female literacy is 98.9%. Therefore, male literacy and female literacy differ by 0.8%. Government expenditure on education is 4.6% of GDP. The education index of Croatia is 0.77 - formal education levels are high, secondary education is a standard for most of the population; higher education is highly available and widespread due to the fact that graduates are economically demanded, and in many such countries having a higher education is also becoming a default option. People in Croatia speak the Croatian language.

English language
In Croatia, around 1% of the population or 2,200,000 people speak English. 2,200,000 of Croatia's population use English as either foreign or second language.

https://www.confiduss.com/en/jurisdictions/croatia/demographics/education/