1. The World Data Centre for Climate:

With a massive 220 terabytes of data, it’s the World Data Centre for Climate (WDCC) who bags the coveted number one spot in our list that features top 10 largest databases across the globe. WDCC, operated by the Max Planck Institute for Meteorology and German Climate Computing Centre, also are the proud owners of a supercomputer worth 35 million Euros. Excluding the 220 terabyte, which are accessible across the web; the WDCC also has an additional 110 terabytes of data that are mainly used for climate simulation and 6 petabytes of extra data’s that are stored in magnetic tapes for easy access.