The Fields Medal is widely regarded as the highest honor a mathematician can receive, and has been described by many as the mathematician's "Nobel Prize".

According to Academic Excellence Survey by ARWU, Fields Medal is the top award in the field of mathematics worldwide, and in another reputation survey conducted by IREG in 2013-14, Fields Medal came closely after Abel Prize as the second most prestigious international award in mathematics.

The prize comes with a monetary award, which since 2006 has been $15,000 CAD.

According to wikipedia