The largest continent in terms of land area is Asia. Covering approximately 44.58 million square kilometers (17.21 million square miles), it makes up about 30% of the Earth's total land area and is home to the majority of the world's population. Asia encompasses a diverse range of environments, cultures, and languages, spanning from the Middle East to the vast landscapes of Siberia and the tropical regions of Southeast Asia. It includes countries with varying geographical features, such as mountains, deserts, and fertile plains, making it a continent of immense biological and cultural diversity.