Data collection standards Geography Guidelines for the collection of data on geography (opens in a new tab)Reference guide: Standards for the collection of data on geography (opens in a new tab)Housing insecurity and homelessness Guidelines for the collection of data on housing insecurity and homelessness (opens in a new tab)Reference guide: Standards for the collection of data on housing insecurity and homelessness (opens in a new tab)Language Guidelines for the collection of data on language (opens in a new tab)Reference guide: Standards for the collection of data on language (opens in a new tab)Race and ethnicity Revised guidelines for the collection of data on race and ethnicity (opens in a new tab)Reference guide: Revised standards for the collection of data on race and ethnicity (opens in a new tab)Disability status Interim guidelines for the collection of data on disability and call to action (opens in a new tab)Reference guide: Interim standards for the collection of data on disability status (opens in a new tab)