Someone is reported missing every 90 seconds in the UK.
While most are found and reunited with their families, for some the heartbreak continues.
Missing People is a UK charity that provides confidential 24-hour support to missing people and their loved ones.
The gallery below contains the faces of 57 people who have been missing for more than a year in the North West:
You can report a sighting - free and confidentially - by calling 116 000, emailing [email protected], completing our online sightings form HERE.
29. Monalisa Zodetsa
Age at disappearance: 36 | Missing since: March 18, 2015 | Missing from: Salford in Greater Manchester | Reference number: 16-002043 | www.missingpeople.org.uk
30. Jack Stewart
Age at disappearance: 68 | Missing since: February 8, 2016 | Missing from: Rochdale in Greater Manchester | Reference number: 16-000774 | www.missingpeople.org.uk
31. Martin Joyce
Age at disappearance: 28 | Missing since: September 9, 1999 | Missing from: Manchester | Reference number: 14-004730 | www.missingpeople.org.uk
32. Alessandro Severitano
Age at disappearance: 40 | Missing since: October 22, 2014 | Missing from: Liverpool | Reference number: 14-005375 | www.missingpeople.org.uk