[mx18] Code 200 includes only those in "unión libre" which is a status where cohabiting partners can acquire similar rights and obligations to the ones of married couples if they live together continuously for a minimum period of time (2 or 3 years, depending on the federal state of residence), however the duration of cohabiting is unknown as well as their de jure marital status.
[mx18] Disabled refers to self-assessed mental and/or physical disability.
[mx18] Codes 1-32 for Mexican federal states are the same as in region_c.
[mx18] Mixed categories: the completed levels were coded based on the minimum years needed to complete the respective level according to ISCED because the information of obtaining the actual diploma is not available.
[mx18] The hourly wage rate is calculated from wages including usual overtime time and number of hours worked in the past month.
[mx18] Definitional deviation: the hourly wage rate refers to net amounts.
[mx18] Payments were reported in quarterly amounts which have been converted to monthly amounts.
[mx18] Definitional deviation: payments refer to net amounts.
[mx18] Non-profit organisations, private hospitals and private schools and universities were not separable from public institutions.
[mx18]  Definitional deviation: based on National Occupation Classification System (SINCO) 2011.
[mx18] Mixed categories: some of the original classification (National Occupation Classification System (SINCO) 2011) 4 digits categories are mixed between 2 or more groups.
[mx18]  Definitional deviation: based on national classification, therefore some categories can be mixed to a certain extent.
[mx18] North American Industry Classification System (NAICS) [Sistema de Clasificación Industrial de América del Norte (SCIAN)] 2013.
[mx18] Informal flags those employees working without a written employment contract in their main job.
[mx18] Code 1 (employed) refers to those who did any work for pay or helped in a family business (unpaid family workers) during the month previous to the interview or had a job/business from which they were temporarily absent from (due to holidays, sickness, etc.).
[mx18] Code 100 (employed) refers to those who worked or had a job from which they were temporarily absent from during the month previous to the interview. For those not employed, lfs refers to the self-defined current activity status.