Japan and Hungary agreed Monday in a meeting of their leaders to boost efforts to help reconstruct Iraq and reform the United Nations as early as possible, as well as urging North Korea to dismantle all nuclear programs, according to a joint statement.

Prime Minister Junichiro Koizumi and visiting Hungarian Prime Minister Ferenc Gyurcsany also made commitments to boost political and economic ties.

Koizumi and Gyurcsany said in a statement released after their meeting that they "welcomed the reassertion of sovereignty in Iraq" and expressed their commitment to the stabilization, transition to democracy and reconstruction of the country.