China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population of around 1.4 billion in 2019. Covering approximately 9.6 million square kilometers (3.7 million mi2), it is the world's third or fourth-largest country by area. As a one-party state led by the Chinese Communist Party (CCP), the country is officially divided into 23 provinces, five autonomous regions, four direct-controlled municipalities (Beijing, Tianjin, Shanghai, and Chongqing), and the special administrative regions of Hong Kong and Macau.
Since the establishment of the People's Republic of China in 1949, China has been a unitary one-party socialist republic, and is one of the few remaining socialist states. The country is a permanent member of the United Nations Security Council since replacing the ROC in 1971. China is a founding member of several multilateral and regional cooperation organizations such as the Asian Infrastructure Investment Bank, the New Development Bank, the Shanghai Cooperation Organization, and the Regional Comprehensive Economic Partnership, and is a member of the BRICS nations and the East Asia Summit. It ranks among the lowest in international measurements of civil liberties, government transparency, freedom of the press, freedom of religion and ethnic minorities and practises mass censorship and mass surveillance of its citizens with the Great Firewall controlling access to the internet. The country has engaged in human rights abuses, political and religious repression since the PRC's foundation, such as the ongoing Uyghur genocide. China has violently suppressed peaceful demonstrations including the 1989 Tiananmen Square protests and 2019–20 Hong Kong protests.
After economic reforms in 1978, and its entry into the World Trade Organization in 2001, China's economy grew to the largest in the world by PPP in 2014, and became the second-largest country by nominal GDP in 2010. China is the world's fastest-growing major economy, the second-wealthiest nation in the world, and the world's largest manufacturer and exporter. The nation has the world's largest standing army — the People's Liberation Army — the second-largest defense budget, and is a recognized nuclear weapons state. China has been characterized as an emerging superpower due to its large economy and powerful military.