China tops the world in smart city construction, said multinational professional services provider Deloitte in a report issued on Monday.

According to the report, China is currently building 500 smart cities, half of the world’s total amount.

“China has become one of the most active countries in smart city-building, and smart city construction has been made into a national strategy,” said Clare Ma, Public Sector Leader of Deloitte China.

Evaluating 25 key cities in China, Deloitte concluded that most of them are developing well, but there’s still room for improvement. Apart from the well-built infrastructure, the country still has to enhance innovation and strategic planning, Deloitte added.