The theme of this year’s International Day for the Eradication of Poverty, Leave No One Behind: Think, Decide and Act Together against Extreme Poverty, recognizes and underscores the demanding challenge of identifying and securing the participation of people experiencing extreme poverty and social exclusion in the post-2015 development agenda. Read more about the origins of the creation of the day and what the United Nations Secretary-General has to say about the importance of eliminating poverty in all its forms.