Only a small proportion of countries collect and publish data concerning their use of animals for testing and research, but it is estimated that more than 115 million animals—including mice, rats, birds, fish, rabbits, guinea pigs, farm animals, dogs, cats, and non-human primates—are used and/or killed in laboratory experiments each year around the world.
Official animal use statistics are currently available only for the following countries:
Additional information is available in the report Estimates for Worldwide Laboratory Animal Use in 2005.