Alcatraz - Charts - Net Growth

	1935	1936	1937	1938	1939	1940	1941	1942	1943	1944	1945	1946	1947	1948
New Prisoners	247	65	81	51	36	71	5	40	26	29	65	40	44	30
Prisoners Lost	5	46	40	55	46	69	13	61	39	48	20	38	72	38
Net Growth/Loss	242	19	41	-4	-10	2	-8	-21	-13	-19	45	2	-28	-8

Notes

(1)Developed from Bureau of Prisons data contained in Erwin Thompson's The Rock, p. 415. Precise dates noted above are year ending June 30.

(2)Fluctuations for the year ending June 30, 1935 are not included in the graph.

(3)During the early 1940s, rumors of Alcatraz's closure followed by concerns about a Japanese attack on San Francisco led to a reduction in transfers to the Rock and a depopulation of those inmates who might have been a problem in the event of an invasion. As war fears calmed, transfers to Alcatraz increased.

Move on to the next chart: Transfers from Alcatraz