Yes, there are countries that have legalized marijuana to an extent, first is :-

Israel - God's own country is on its way to decriminalize the use of *weed* for self pleasure.

According to reports, it is estimated that 9% of the population in Israel use weed. With the decriminalisation of weed which was announced by Public Security Minister Gilad Erdan, Israelis will be allowed to possess up to 15 grammes of weed.. Another country is..

Mexico:-

Mexico’s Supreme Court ruled in 2015 that growing, possessing and smoking weed for recreation is legal under the right to freedom.

Czech republic÷

Czech Republic permits possession of up to 15 grams for personal use. Weed for medical use on prescription has been legalised since April 2013. thanks