Making Sense Of The World, One Map At A Time
This is largely due to the long lasting effects of The Holocaust, when over six million European Jews were systematically murdered by Hitler and the Nazis.
Emigration to both Israel and the United States after World War 2 and again after the collapse of Communism in Eastern Europe in 1989, also contributed somewhat to the decline.
However, not all countries saw their Jewish population decrease.
The map above shows where schools close for Jewish Holidays. Reddit user jonross14 explains more about how he created the map:
My wife and I created this map. A colored county means that at least one school countywide closes for Jewish Holidays, not necessarily all schools in the county. We also designated a county if they only closed for one Jewish holiday, for example Yom Kippur but not Rosh Hashanah, or if a district consistently gives a PD (teachers-only) day on a Jewish holiday. TL;DR if any district in a county closes school to students for any Jewish holiday they are included in this map. Enjoy!
If, like me, you’re not familiar with the major Jewish holidays they are: