Tun shekara ta 2000 rayuwar mutane masu fama da matsanancin talauci a duniya ta inganta amma har yanzu ana fama da rashin daidaito a fannoni da dama. Wannan, shine bayyanan da rahoton gidauniyar Bill da Melinda Gates ya kunsa da ya shafi shirin raya kasashe na majalisar dinkin duniya.