English (which is the language of the United States) and then Spanish, because Mexico got a border with the US.
California is a state, not a language. Most people speak English in California, but many people also speak Spanish. In Spanish, "hola" means "hi".
In the USA most people speak a language somewhat like English.
Roughly 1.2 billion people speak Chinese as their first language, making it the most spoken language in the world.
They speak Greek.
There is no such language as Brazilian. The language most people in Brazil speak is Portuguese. Portugal is a European country.
Actually most people in Europe, not just Switzerland, speak more than one language, in fact most countries in the world are that way. America is the weird one in that most Americans speak only one language.
Most Cheyenne people today speak English if not as their first language certainly as a second language. Officially they speak their own language belonging to the algonquain language speaking people.
More people speak Mandarin than any other language. More places speak English than any other language.
Mandarin Chinese is the most spoken language in the world in terms of native speakers. English is the most widely spoken language overall due to its prevalence as a second language.
No. People from Great Britain are British- most speak English. There is no language called British.
For the most part, no. The majority of people in Myanmar speak Burmese, which is the official language. The primary language of instruction in Myanmar is English.
The Zuni people primarily speak the Zuni language, which is a language isolate. English is also commonly spoken among the Zuni people.