Last month (20th February) was World Day of social Justice. The 2018 theme was workers on the Move.
ILO Declaration on Social Justice for a Fair Globalization was adopted on 10th June 2008.
The official website has related United Nations documents and declarations as well as details of the 2018 events.
How many migrant workers are there?
- Try the global estimates from the ILO
- IOM Migration data portal has good visualizations and recent data
- World Bank has data on labour migration and remittances.
- OECD International Migration outlook includes movements and trends.