Merchant Shipping Losses, Allied

 

1939
Ships Tonnage U-Boat Losses
September 29 152,040 2
October 21 104,712 5
November 22 57,173 1
December 23 103,496 1
Total 95 417,421 9

 

1940
Ships Tonnage U-Boat Losses
January 24 101,869 1
February 21 110,374 6
March 13 39,302 2
April 19 74,838 5
May 77 273,219 1
June 125 471,496 2
July 98 381,967 1
August 88 394,010 2
September 90 442,634 1
October 97 442,452 1
November 91 376,098 2
December 79 357,314 -
Total 822 3,465,573 24

 

1941
Ships Tonnage U-Boat Losses
January 75 320,048 -
February 100 401,768 -
March 139 537,493 5
April 154 653,960 2
May 126 500,063 1
June 108 431,037 4
July 43 120,975 -
August 41 130,699 3
September 83 285,752 2
October 51 218,289 2
November 34 104,212 5
December 187 485,985 10
Total 1,141 4,190,281 34

 

1942
Ships Tonnage U-Boat Losses
January 97 415,741 3
February 130 652,516 2
March 225 794,689 6
April 127 666,814 3
May 149 704,673 4
June 170 823,656 3
July 127 613,641 11
August 124 665,633 9
September 114 567,327 11
October 100 632,720 16
November 135 812,867 13
December 72 347,628 5
Total 1,570 7,697,905 86

 

1943
Ships Tonnage U-Boat Losses
January 50 261,359 6
February 73 403,062 19
March 120 693,389 17
April 64 344,680 15
May 58 299,428 40
June 28 123,825 17
July 61 365,398 37
August 25 119,801 25
September 29 156,419 9
October 29 139,861 26
November 29 144,391 19
December 31 168,524 7
Total 597 3,220,137 237

 

1944
Ships Tonnage U-Boat Losses
January 26 130,635 15
February 23 116,855 20
March 25 157,960 22
April 13 82,372 23
May 5 27,297 23
June 26 104,084 26
July 17 78,756 23
August 23 118,304 32
September 8 44,805 22
October 4 11,668 13
November 9 37,980 5
December 26 134,913 14
Total 205 1,045,629 238

 

1945
Ships Tonnage U-Boat Losses
January 18 82,897 8
February 26 95,316 20
March 27 111,204 25
April 22 104,512 41
May 4 17,198 29
June 2 18,615 -
July 3 7,237 -
August 1 36 -
Not Known 2 1,806 -
Total 105 438,821 123
       
TOTAL 4,535 20,475,767 751

 

Notes:

(1) From September 1939 to April 1940 only British losses

(2) Includes losses from all causes in all theaters

Source: Winston Churchill, The Second World War. U-Boat losses - uboat.net.