– 58 110 000 000 Chickens
– 2 817 000 000 Ducks
– 1 383 000 000 Pigs
– 654 000 000 Turkeys
– 649 000 000 Geese and Guinea fowl
– 517 000 000 Sheep
– 430 000 000 Goats
– 296 000 000 Cattle
– 24 000 000 Buffaloes
http://www.boell.de/sites/default/files/meat_atlas2014.pdf
(image source: http://ucsdlivingoncampus.blogspot.fr/2009_09_01_archive.html)