His last appointment was as High Commissioner and Commander-in-Chief for Palestine and Trans-Jordan in 1931. Wauchope's administration was generally sympathetic to Zionist aspirations. By 1941 the former chief immigration officer for the Mandate, Albert Montefiore Hyamson, could write in his book "" that "the first four years of his [Wauchope's] term were the heyday of Zionist history in Palestine." Not only did immigration go up threefold (the Jewish population increased from 174,606 to 329,358), but Jews also increased their land holdings (in 1931 they increased their land holdings by 18,585 dunams or 4,646 acres, while in 1935 they increased them by 72,905), and finally Jewish business and commerce enjoyed an economic boom. He also promoted public works and civil engineering schemes but was regarded as lax at the early stages of the Arab rebellion. He retired in 1938.