There were approximately 229 airports in 2017, with around 240 planned by 2020. China has over 2,000 river and seaports, about 130 of which are open to foreign shipping. In 2017, the Ports of Shanghai, Hong Kong, Shenzhen, Ningbo-Zhoushan, Guangzhou, Qingdao and Tianjin ranked in the Top 10 in the world in container traffic and cargo tonnage.