Poland has something similar on regional (not city) level, it's called Janosikowe (from Janosik - a Polish Robin Hood), and it's much less flavorful than the Ja

Poland has something similar on regional (not city) level, it's called Janosikowe (from Janosik - a Polish Robin Hood), and it's much less flavorful than the Japanese thing, it's just a percentage of local taxes paid by the richest regions to the poorest regions.