How long have penguins been on earth?

the most is the Macroni penguin with 11,654,000 and the least is Galapagos penguin (6,000-15,000) but im not sure if this is up to date becase penguins is on the endangered list the most is the Macroni penguin with 11,654,000 and the least is Galapagos penguin (6,000-15,000) but im not sure if this is up to date becase penguins is on the endangered list