The national language of China is Mandarin Chinese, also known as Putonghua or Standard Chinese. It is the most widely spoken language in the world, with over a billion native speakers. Mandarin serves as the standard language used for communication across the diverse linguistic landscape of China, which includes numerous dialects and languages. It is used in government, media, and education, making it an essential part of Chinese culture and identity. Additionally, its growing importance in international commerce and diplomacy has led to an increased interest in learning Mandarin worldwide.