Singapore has maintained its standing being the most attractive market for infrastructure investors for 3 year running, according to the Global Infrastructure Investment Index by Arcadis.

Despite having a low score on the side of economic factors, the city-state placed persistently highly across business, infrastructure, risk and financial indicators.

Even though most of the project in Singapore are publicly funded, effort is now ongoing to make infrastructure as an asset class, such as by means of developing new benchmarking tools.

Presently, city-state invests about 5% of its GDP in infrastructure or US$20 billion cost in year 2015, and this continues to increase. By year 2020, it targets to invest 6%t of GDP or US$30 billion.

Several huge developments have been planned for transport and healthcare, expansion of Changi Airport is also included with the construction of a fifth terminal.

For economic score, China was leading among the 41 countries evaluated, however its higher risk environment and less attractive business conditions makes china ranked 17th on the index.