Spanish is spoken in 44 countries around the world - there are more than 450 million native speakers. Spanish ranks as the world's No. 2 language for international communication and No. 4 in terms of how many people speak it as their first language.
Mandarin Chinese really is useful. It is the most spoken first language in the world and is rising in popularity. Chinese characters are used in Mandarin and Cantonese along with Japanese, and are becoming more common internationally.
Russian is spoken by more than 260 million people. It the official language of the Russian Federation and is widely spoken in Belarus, Kazakhstan, Kyrgyzstan, Israel, Ukraine and Armenia. There are several million Russians living in the Baltic States and in the USA.