Latin America:
* Argentina: 45.3 million
* Bolivia: 11.7 million
* Chile: 19.2 million
* Colombia: 50.4 million
* Costa Rica: 5.1 million
* Cuba: 11.3 million
* Dominican Republic: 10.9 million
* Ecuador: 17.8 million
* El Salvador: 6.5 million
* Guatemala: 17.4 million
* Honduras: 9.8 million
* Mexico: 126.5 million
* Nicaragua: 6.8 million
* Panama: 4.3 million
* Paraguay: 7.2 million
* Peru: 33.2 million
* Uruguay: 3.5 million
* Venezuela: 28.4 million
Europe:
* Spain: 47.4 million
Africa:
* Equatorial Guinea: 1.5 million
Other:
* United States: Approximately 59.5 million (includes Puerto Rico and other US territories)
Note: This list includes countries where Spanish is the official language and is spoken by the majority of the population. In some countries, like the United States, Spanish is spoken by a large minority.
This information is based on the latest available data, but it's always a good idea to consult reliable sources for the most up-to-date statistics.