This year, the millennium development goals – launched in 2000 to make global progress on poverty, education, health, hunger and the environment – expire. UN member states are finalising the sustainable development goals that will replace them. But what do the SDGs aim to achieve? How do they differ from the MDGs? And did the MDGs make much progress? Browse how the MDGs have morphed into the SDGs, and explore each SDG in more detail

• The SDGs: all you need to know