Table 3.

The demographic characteristics (percentage) of internal migrants in China from 2011 to 2017

Characteristics	2011	2012	2013	2014	2015	2016	2017
Gender
Male	53.16	53.09	53.69	58.55	53.06	52.12	51.69
Female	46.84	46.91	46.31	41.45	46.94	47.88	48.31
Marital status
Married	77.49	76.21	76.43	76.11	78.87	80.46	84.05
Otherwise	22.51	23.79	23.57	23.89	21.13	19.54	15.95
Educational attainment
Primary school or below	16.5	16.08	14.87	13.89	15.21	14.7	17.04
Middle school	55.02	53.39	54.19	52.7	50.49	47.01	43.66
High school	15.09	15.18	15.42	20.55	21.74	22.3	21.9
College degree or above	13.39	15.37	15.53	12.85	12.56	15.99	17.4
Monthly income, RMB
< 3000	36.43	26.12	19.51	15.3	10.64	8.8	15.16
3000–5000	37.8	36.53	35.09	33.39	30.42	26.79	30.26
5000–7000	16.07	21.78	25.89	27.44	29.01	29.14	21.2
> 7000	9.71	15.57	19.51	23.87	29.93	35.27	33.38
Medical insurance
Urban basic health insurance	8.07	10.76	19.89	14.19	27.14	24.89	11.67
New rural cooperative medical insurance	54.75	60.48	60.09	60.1	66.12	63.18	63.29
Othetwise	37.18	28.76	20.02	15.05	6.74	11.93	25.04
Types of migration
Between provinces	50.62	56.46	52.08	50.96	49.88	49.07	49.29
Between municipal jurisdictions within province	31.22	27.91	28.78	30.33	30.34	33.58	32.95
Within municipal jurisdiction	18.16	15.64	19.14	18.71	19.76	17.35	17.76
Type of household
Rural	84.84	84.29	85.34	84.14	83.59	82.16	77.98
Other	15.16	15.71	14.66	15.86	16.41	17.84	22.02
Reason of migration
Working or doing business	None	None	88.54	88.13	84.39	83.6	83.61
Others	None	None	11.46	11.87	15.61	16.4	16.39
N	128 000	158 556	198 795	200 937	206 000	169 000	169 989