It is possible to be neither employed nor unemployed by ILO definitions, i.e., to be outside of the "labour force."[30] These are people who have no job and are not looking for one. Many of these are going to school or are retired. Family responsibilities keep others out of the labour force. Still others have a physical or mental disability which prevents them from participating in labour force activities. And of course some people simply elect not to work, preferring to be dependent on others for sustenance