[1] Sustainable Development Goal (SDG) 8.7 – part of a framework adopted by the United Nations in 2015 – seeks to end modern slavery by appealing to the international community.
[2] Walk Free's approach to achieving SDG 8.7 involves building a knowledge base to inform action and driving legislative change in countries in partnership with faiths, businesses, academics, NGOs, and governments.
Through these partnerships, direct implementation, and grassroots community engagement Walk Free believes modern slavery can be eradicated.
According to their analysis of the 2014 edition, the Index's methods had significant and critical weaknesses which raised questions about its replicability and validity.
[9] The Walk Free Foundation has stated that it "welcomes constructive criticism",[10] and subsequent editions of the Global Slavery Index, published in 2016 and 2018, have undergone significant changes to the methodology to determine prevalence estimates.