195 countries - 7.2 billion peoples - 6500 languages
China has biggest population with 1.38 billion peoples.
Papua new guinea speaks most languages for a nation over 820 languages.
Languages of the World:
Asia is home to 4.3 billion people in 48 nations, speaking over 2200 languages
Europe is home to 239 languages, 44 nations, 738 million people
North America is home to 528 million people 2 nations, 1000 languages
Oceania is home to 38 million people, 1200 languages, 14 nations
Antarctica is part of treaty of 12 nations, 2000 - 5000 people
Countries in the World:
There are 195 countries in the world today. This total comprises 193 countries that are member states of the United Nations and 2 countries that are non-member observer states: the Holy See and the State of Palestine.
Not included in this total count of 195 countries are:
Taiwan - the United Nations considers it represented by the People's Republic of China
The Cook Islands and Niue, both states in free association with New Zealand which are members of several UN specialised agencies and have been recognised "full treaty-making capacity", but are neither member states nor non-member observer states.
Dependencies (or dependent territories, dependent areas, dependencies) and Areas of Special Sovereignty (autonomous territories).
Other countries recognised by the United Nations as not being self-governing.