12/02/13 Dutch Ingenuity 1. The Netherlands covers 33,000 km2, with 16,789,68 inhabitants, thats 497 people per km2, as such more land is needed..... 2. Currently around 1/6 of NL has been reclaimed from the sea, including the creation of the 12th Province Flevoland in 1986. 3. The delta works that protect NL from the waters are listed in the Guinness Book of records, covering 16,500 km with dykes and structures.