But the sea ice has been disappearing, and penguin populations along with it. Emperor Penguins are the largest penguins in the world. World population density The world population density is 57.0 people per square kilometer (147.7 per mi 2) as of March 2020.This number is calculated using 7,763,035,303 people as the world population and 136,120,354 km 2 (52,556,368 mi 2)as Earth's total area.This is the sum of land and water areas within international boundaries and coastlines of all the countries in the world. Emperor Penguins can dive deeper than any other bird. Orcas (Killer Whales) and Leopard Seals will take adult Emperor Penguins. It's currently considered that there are between 17 and 20 different living species of penguin, depending on which authority is followed. 8 Points about Emperor Penguins. Royal Penguin A royal penguin on Macquarie Island. 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 in the list. 18. A recent study found that Adélie Penguin populations are increasing, but that doesn’t mean the birds aren’t still threatened by climate change. How many Magellanic Penguins are there today? There are 195 countries in the world today. One, Two, 3.79 million: How Many Penguins Are There? The royal penguin, Eudyptes schlegeli, is a penguin species that lives on the sub-Antarctic Macquarie Island and other islands in proximity. A 2008 WWF study estimated that 50% of the emperor penguins and 75% of the Adelie penguins will likely decline or disappear if global average temperatures rise above pre-industrial levels by just 2 degrees C—a scenario that could be reached in less than 40 years. Magellanic Penguins live an average of 25 years in the wild. How long do Magellanic Penguins live? If you've ever wondered how many penguins there are in Antarctica, now we know: There are 12 million of the famed flightless waddling birds down there. There are estimated to be about 1.5 million breeding pairs of Magellanic Penguins in the world today, though there have been population declines of up to 10% recorded in the Falklands. Not included in this total count of 195 countries are: Taiwan - the United Nations considers it represented by the People's Republic of China Emperor Penguin chicks are preyed upon by other birds like the Southern Giant Petrels and South Polar Skua.