Paris is not the bigest french speaking city in the word
Paris was the bigest french speaking in the world with more than 10 milions people. But Kinshasa has now in 2017 more people with 12.1 milions inhabitant than Paris (11.9 milions)
With an anual demographic groth of 4.2% between 2000 and 2016, the Capital of Congo overtake Paris. Additionaly RDC République Démocratique du Congo is also the biggest french speaking country in the world with 78 milions people.
This shows the demographic and economic power of french Africa that has an area 3 times of European Union with 380 milions inhabitant.
The 3rd french speaking city in the world is Abidgan in Ivory cost with more than 5 milions people.