Hi I would like to introduce You a list of TOP 10 CRYPTO EXCHANGES on January 2020 (according to https://www.cryptocompare.com/).
They rank is a little bit different that other ranks (they don't just measure number of users or transactions). More info about how that ranks was prepared You can find in that document:https://www.cryptocompare.com/media/35650785/cryptocompare_exchange_benchmarking_2019_06.pdf
To make it more interesting lets start from place 10 to 1. Im curious how many of them You know/use :) I hope You will enjoyed that list :)
Whole list:https://www.cryptocompare.com/exchanges/#/overview
10. Luno

Luno is UK based crypto-currency exchange. There website is: http://www.luno.com.
Luno was founded in 2013, is available on 40 countries and have 3,5 milion users. Also it offer English, French, Indonesian and Itialiano languages version. Luno have a mobile app.
9. OKEX

OKEX is a Malta based crypto-currency exchange. Website address: https://www.okex.com/
They claim they have users in over 100 countries. They support: English, Chinese, Spain, French, Russian, Thai, Vietnamese, Indonesian, Turkish and Korean languages. Also they provide app compatible with iOS, Android, Mac & Windows.
8. Poloniex

Poloniex is one of the most known crypto exchange. It is 2014 founded USA based. They website address is:https://poloniex.com/.
They provide English and Chinese language support and also IOS and Android mobile app.
7. bitFlayer

bitFlayer is Japan exchange and was founded on January 9, 2014. On they website https://bitflyer.com/ .
They support English, Japanese, Korean and Chinese languages. Also they provide mobile app for IOS and Android.
6. Liquid

Liquid is a Japanese cryptocurrency exchange, launched in 2014. Website address:https://www.liquid.com/
They support: English, Japanese, Korean, Chinese and Russian language. They also provide IOS and Android app.
5. Bitstamp

Bitstamp is also quite well-known exchange. Website: (https://www.bitstamp.net/)
Bistamp is Luxembourg located. I cannot find info about they language versions (for sure English is available :p )
They also provide IOS, Android mobile app.
4. Kraken

Another example of well known crypto exchange (and in my opinion have the best logo ;) ). Kraken is US based and was founded in 2011. On their website: https://www.kraken.com/
we can find info that they support: English, Spain, French, Italiano, Portuguese, Russian, Chinese, Japan and Turkish languages. Of course Kraken also have a IOS, Android mobile app.
3. Coinbase
Coinbase is probably most popular crypto exchange for Publish0x users (i am also using it :) ) Coinbase is US based and was founded in 2012. They operated in 32 countries. They support English, Germany, Spanish, French, Japanese, Indonesian, Italian, Korean, Dutch, Polish, Portuguese, Russian, Thai and Turkish languages. Coinbase alse have a IOS, Android mobile app. More info You Can find on their website: https://www.coinbase.com/.
2. itBit

Two first places may be a little bit surprising - but again it is not my list:) itBit is USA based exchange founded in 2012 year. On they website:https://www.itbit.com/ i cannot find any information about other languages support then English. If You curious why itBit is on sen=cond place, again please look at cryptocompare rich documentation: https://www.cryptocompare.com/media/35650785/cryptocompare_exchange_benchmarking_2019_06.pdf
1. Gemini

And at the first place is for Gemini exchange. Gemini is USA based and was founded in 2014.In June 2016, according to CNBC, Gemini became the world's first licensed etherneum exchange. And fact that they licensed in different institution is they main advantage (people more trust them). Gemini website address is: https://gemini.com/. They also have a mobile app for IOS and Android.
########################
Im curious if You agree with that rank or completely disagree . Some position on list seems be controversial.