The Madeleine McCann Portuguese detective team is now down to six officers from the 100 inspectors put on the case when she first went missing.
Carlos Anjos, president of the Association of Criminal Investigation Staff, said five detectives and a chief inspector made up the team.
He told said the resizing was “normal” in investigations where the missing person was not found quickly.
When Madeleine vanished on May 3 dozens of police, staff from local emergency services and volunteers spent days combing a for miles around Praia da Luz but found no clues.
Meanwhile today the new head of the investigative team arrived in the Algarve to take control of the case.
Paulo Rebelo, one of Portugal’s most senior detectives who was based at national police headquarters in Lisbon, was appointed on Monday.
His first job will be to meet the detective previously overseeing the investigation, Goncalo Amaral, who was removed after he criticised British police.