How many cryptocurrencies will pop on the market?

As we know cryptocurrencies are the future of the world's economics. But how many of the existing ones will make it to the market?
There are countless projects from all over the world, however only a small procent of them is active onthe market. Let me know what u think about this topic and how will the diversity of different cryptocurrecies will affect the market prices. Will it be a unique cryptocurrency for every country of the world? Let me know in the comments thank you :)