Fifth Aliyah ( , '' HaAliyah HaHamishit '' ) refers to the fifth wave of the Jewish immigration to Palestine from Europe and Asia between the years 1929 and 1939 , with the arrival of 225,000 to 300,000 Jews . The Fifth immigration wave began after the 1929 Palestine riots , and after the comeback from the economic crisis in Mandatory Palestine in 1927 , during the period of the Fourth Aliyah . The end of this immigration wave was with the start of World War II
1929 Palestine riots
1929 Palestine riots
Fifth Aliyah