What is the world dairy cow population by dairy breed?

As of recent estimates, the global dairy cow population is approximately 270 million. The most common dairy breeds include Holstein, Jersey, Guernsey, and Ayrshire, with Holsteins making up the largest proportion, accounting for about 90% of dairy cattle in some regions. Other notable breeds like Jerseys are valued for their high butterfat content. The distribution of these breeds varies significantly by region, influenced by local agricultural practices and climate.