Research in neurosciences and social sciences shows that 85% of brain development takes place in the first 5 years of life. In particular, the first 3 years of life is vital to awaken children’s potential. To call attention to this important phase of a child’s development and to renew commitments to early childhood care and education, over 2,500 participants from 147 countries gathered at the World Conference, including heads of states, ministers, educators and experts.