Geographically the continent makes up 8.7% of the Earth's total surface area, and 29.5% of its land area. It is the largest and huge population among all continents. With just over 3.8 billion people.
The boundaries of Asia are traditionally determined as that of Eurasia, as there is no significant geographical division between Asia and Europe. The most commonly accepted boundaries place Asia to the east of the Suez Canal, the Ural River, and the Ural Mountains, and south of the Caucasus Mountains and the Caspian and Black Seas. It is bounded on the east by the Pacific Ocean, on the south by the Indian Ocean and on the north by the Arctic Ocean.
From 1 to 1800 A.D. China and India alternated in being the largest economies in the world. China was a major economic power and entice many to the east, and for many the legendary wealth and prosperity of the early culture of India epitomized Asia, enticing European commerce, voyager and colonialism.
The unexpected discovery of America by the Italian voyager Christopher Columbus in search for India uncovered this obsession. The Silk Road became the main East-West trading route in the Asian hither land while the Straits of Malacca stood as a major sea route. Asia has shown great economic progress especially East Asia as well as powerful population growth during the 20th century, but overall population growth has since fallen to world average levels.
Asia has an extensive variety of ethnic groups, cultures, environments, economics, historical ties, and governmental structure It also has a mix of many different climates ranging from the equatorial south via the hot desert in the Middle East, temperate areas in the east and the extremely continental centre to vast subarctic and polar areas in Siberia.
Asia was the birthplace of most of the world’s mainstream religions including Christianity, Islam, Judaism, Hinduism, Buddhism, Confucianism, Taoism (or Daoism) Jainism, Sikhism, Zoroastrianism as well as many other religions.