Table 1.
Numbers of animals by category in the UK, EU and US.
| Category of Animal | Species | EU 28 (incl.UK) | UK | US |
|---|---|---|---|---|
| Agriculture | Includes poultry, pigs, cattle and sheep 1 | 4.7 billion [13] | 1 billion [14] | 10 billion [15] |
| Research | 11 million [16] | 4 million (procedures) [17] | 12-27 million 2 [18] | |
| Wild 3 | Unknown | Unknown | Unknown | |
| Companion | Fish | - | 51 million 4 | 58 million [19] |
| Dogs | 65 million [16] | 9 million | 90 million [20] | |
| Cats | 99 million [16] | 8 million | 94 million [20] | |
| Horses | 7 million [21] | 1 million | 7.6 million [20] |
1 The majority of agricultural animals raised and killed are poultry, specifically chickens; 2 US figures are imprecise as fish and birds are not officially recorded; 3 No figures for wild animals; 4 UK figure for companion animals includes aquaria and ponds.