When it comes to disputes over what information is correct, any sources that are provided are used to find the definitive answer. Because of the collaborative nature of WikiTree, members who have documented the genealogy of their family are expected to work on open profiles in conjunction with other members to ensure the information provided is as accurate as possible. As with all contributions to WikiTree, members are requested to provide source citations to justify their changes. WikiTree maintains seven different profile privacy levels Ī distinctive aspect of the collaborative nature of WikiTree is that profiles of people who were either born more than 150 years ago or who have been deceased for more than 100 years are open for editing by any member who is a Wiki Genealogist (meaning they have agreed to and signed the Honor Code). Members of a profile's Trusted List have full access to view and edit details on the page, regardless of the privacy level, and all changes are tracked for future reference. Each profile is managed by one or more profile managers, and other members who may be related or willing to share information about that person can be added to the profile's 'Trusted List'. WikiTree's privacy controls allow users to protect their personal information, and that of their more recent ancestors and descendants, while providing the ability to publicly share and collaborate on historical data related to their more distant forebears.

Courtesy in dealing with other members, consideration of copyrights, and respect for the privacy of others are also among the values set forth in the Honor Code.

Users requesting membership in the WikiTree community are asked to commit to a nine-point Honor Code that encourages collaboration, accuracy, and the use of sources and citations. GenealogyInTime Magazine listed WikiTree as the 15th most popular genealogy site (out of 100) in January 2016 (the most recent time the magazine produced such a list). As of February 2023, the WikiTree website has more than 980,000 registered members and included more than 33 million profiles, with 11 million having DNA test connections. The site uses a wiki markup language (powered by MediaWiki software) that offers users the ability to create and edit personal profiles, categories and 'free space' pages to document their family's history. Chris Whitten, developer of the WikiAnswers website, set up WikiTree in 2008 the site is owned and hosted by, Inc. WikiTree is a free, shared social-networking genealogy website that allows users individually to research and to contribute to their own personal family trees while building and collaborating on a singular worldwide family tree within the same system.

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