Compared to its closed-door policies until the mid-1970s, the liberalization of China has resulted in the administrative climate being less restrictive than before. China supports the Leninist principle of "democratic centralism",[147] but the elected National People's Congress has been described as a "rubber stamp" body.[148] The incumbent President is Xi Jinping, who is also the General Secretary of the Communist Party of China and the Chairman of the Central Military Commission.[89] The current Premier is Li Keqiang, who is also a senior member of the CPC Politburo Standing Committee