* No central database: There's no global organization that tracks sheep populations with absolute accuracy.
* Constant fluctuations: The number of sheep changes constantly due to births, deaths, and changes in agricultural practices.
* Difficult to count: Counting sheep across vast areas, especially in remote regions, is a logistical challenge.
However, we can estimate the global sheep population. The Food and Agriculture Organization of the United Nations (FAO) estimates that there are approximately 1.2 billion sheep in the world.
This estimate is based on data from various countries, but it's important to remember that it's just an approximation. The actual number could be higher or lower depending on various factors.