When one considers that each chicken is an individual with his or her own personality and requirements, the number slaughtered in a year for human consumption appears staggering. Here are the figures globally and for Australia:
- Global: 58 billion
- Australia: 551 million
It is estimated that there are 4.93 billion egg-laying hens in the world.
The figures do not include male chicks unwanted by the egg industry, who are killed by various means, including gassing and maceration.
Here's some more information on broiler (meat) and egg-laying chickens: