In 2017, Xi called on the communist party to further tighten its grip on the country, to uphold the unity of the party leadership, and achieve the "Chinese Dream of national rejuvenation". Political concerns in China include the growing gap between rich and poor and government corruption. Nonetheless, the level of public support for the government and its management of the nation is high, with 80–95% of Chinese citizens expressing satisfaction with the central government, according to a 2011 survey. A 2020 survey from the Canadian Institutes of Health Research also found that 75% of Chinese were satisfied with the government on information dissemination amidst the COVID-19 pandemic, while 67% were satisfied with its delivery of daily necessities.