Contributions by Member States to the United Nations regular budget for the year 2011 Member State Scale of assessments (percentage) United States of America 22.000 Japan 12.530 Germany  8.018 United Kingdom  6.604 France  6.123 Italy  4.999 Canada  3.207 China  3.189 Spain  3.177 Mexico  2.356 Republic of Korea  2.260 Australia  1.933 Netherlands  1.855 Brazil  1.611 Russian Federation  1.602