A map showing the % change in the Jewish population by country between 1945 and 2010. Very dark green = Decrease of 80.00% or more, Dark green = Decrease of 60.00-79.99%, Green = Decrease of 40.00-59.99%, Light green = Decrease of 20.00-39.99%, Very light green = Decrease of 19.99% or less, Light purple = No decrease at all--the Jewish population either stayed the same or increased, Grey = No data available.