Netherlands
5.3% of GDP (2005)

Netherlands Antilles
NA

New Zealand
6.2% of GDP (2006)

Nicaragua
3.1% of GDP (2003)

Niger
3.4% of GDP (2006)

Nigeria
0.9% of GDP (1991)

Niue
NA

Norfolk Island
NA

Northern Mariana Islands
NA

Norway
7.2% of GDP (2005)