Hu Jintao Hu administration and his failure in implementing his signature "Socialist Harmonious Society" policy. They cite, for example, that China's internal security budget exceeded its military budget during Hu's tenure as protests and other 'mass incidents' continued to increase across the country. China's Gini coefficient climbed to 0.47 by 2010, indicating a potentially unsustainable gap between the rich and the poor. The Hu administration's inability to rein in the wealth gap and its renewed emphasis on the role of state-owned enterprises in the economy led some economists to believe that Hu missed a critical opportunity for reform and structural adjustment. Hu's
35th G8 summit invited to attend the summit and to participate in some, but not all, G8 summit activities. The G8 plus the five largest emerging economies are known as G8+5, including: Brazilian President Luiz Inácio Lula da Silva, Chinese President Hu Jintao, Indian Prime Minister Manmohan Singh, Mexican President Felipe Calderón and South African President Jacob Zuma. Hu Jintao curtailed his participation following the eruption of ethnic rioting in Ürümqi. In his place, State Councilor Dai Bingguo led the Chinese delegation at the summit. Previous G8 summits have invited other world leaders to participate; and the Italian duty Presidency invited a number