The number of China's migrant workers, by annual growth
−1
0
1
2
3
4
5%
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
1.9%
5.4%
4.4%
3.9%
2.4%
1.9%
1.3%
1.5%
1.7%
0.6%
0.8%
−1.8%
