Almost all of them
Spanish is spoken as a first language by about 330 million people and as a second language by perhaps another 50 million. Adios!
There are approximately 76 million native Vietnamese speakers worldwide. Additionally, there are millions of other people who speak Vietnamese as a second language.
as of 2012, approximately 80 million non-Germans speak German as a second language.
About 130 million people as a first language, 200 million as a first or second language.
As of 2011, Dutch is a first language for about 23 million people. Another 5 million Speak Dutch as a second language.
Over a billion people worldwide speak Chinese as their native language, making it the most spoken language in the world. There are also many second language speakers of Chinese, further increasing the total number of individuals who speak the language.
Approximately 58% of Europeans are able to speak a second language, making it one of the most multilingual regions in the world. This high percentage is partly due to the diversity of languages spoken within Europe and the emphasis on language education in many European countries.
I think it is when you learn a second language. Like, if you speak English as your first language, then learn to speak Spanish fluently, you acquired Spanish as your second language.
Portuguese is estimated to be spoken as a second language by around 30-40 million people worldwide. This includes individuals who have learned Portuguese for various reasons such as work, study, or personal interest.
Approximately 90 million people around the world speak Spanish as a second language.
Spanish is spoken by over 460 million people worldwide as their first language, with the majority residing in Latin America and Spain. It is the second most spoken language in the world in terms of native speakers.
As humans, they would speak the various human languages that are now spoken in the world.