Membership-based service for people looking for lost friends and relatives world-wide.

The National Centre for Missing Persons and Unidentified Remains (NCMPUR) of the Royal Canadian Mounted Police (RCMP), assists with missing persons and unidentified remains investigations across the country.

Profiles cold cases of missing children and adults in the United States.

A search system that uses known data about a person to attempt to locate them. The data base is fed by users, and all the information is hidden. The results will show: name, sex, age, city and birth country.

A volunteer organization devoted to assisting law enforcement in solving cold cases concerning unexplained disappearances and unidentified victims from North America, Australia and Europe. Includes missing and unidentified case files.

Find and locate inmates, prison locations and Department of Corrections information. United States local, state and federal prison and jail inmate locators are included.

Free people search for address, phone number, email information.

People search service for travelers. Offers searches by name or country, and free registration.

An all-volunteer national organization in the United States that partners with law enforcement and families to assist in locating missing persons. Primary focus is adults.

Listings service for missing people in Ireland. Includes latest news.

UK charity which specialises in, and is dedicated to, bringing missing children and adults back together with their families.

Database enabling a search across the USA for information about missing people, amber alerts and unsolved crimes.

News and information about missing people and those who have been found.

Service for locating missing persons in the United Kingdom.

Advice, information and resources relating to missing persons in Australia.

Provides assistance in locating and contacting relatives separated by war, conflict or crisis. Operated by the International Committee of the Red Cross.

Free message board and resources for reuniting friends and family.

Provides exposure for missing persons worldwide.