8 or 7 countries are in the G8/7

How many countries are part of the g20?
There are 20 countries apart of the g20

Who are the G7 leaders? Name At lest one
Joe Biden (President of the United States)
Fumio Kishida (Prime Minister of Japan)
Olaf Scholz (Chancellor of Germany)

Which country is not in G20?

In March 2014 Russia was suspended indefinitely following the annexation of Crimea, whereupon the political forum name reverted to G7.
Why did the G8 change to the G7?

Why are they called G20 countries?
It was originally a meeting of the Minister of Finance and the Governor of the Central Bank in an effort to broaden the discussion of policies that are beneficial for resolving the global economic and financial crisis.

Why is India not in G7?
A section of the western press saw the invitation as part of the West's continued effort to pull India away from its close strategic relationship with Russia.

Who is the leader of G20?
The current chair is held by Indonesia

Who is the CEO of G7?
Andre Gaccetta is the founder and CEO of G7

What's the difference between G7/8 and G20?
While the G-20 is a primarily economic group, the G-7, made up of the U.S., Canada, Japan, the U.K., France, Germany and Italy, is a more political group.