Haji is married and has nine children (one deceased). One of Haji's son, Abdul Yusuf Haji, is a businessman. Another son, Noordin Yusuf Haji, is an undercover anti-terrorism agent and the Director of Public Prosecutions, He also worked as a Deputy Director of the National Intelligence Service and worked in the Attorney General’s office since 1999. Both of Haji's sons, Abdul and Noordin (who both of them have experience with guns since their childhood), were involved in the Westgate shopping mall attack in 2013 and they were credited with saving multiple lives despite deadly danger. Abdul was photographed helping rescue an American mother and her three daughters, providing cover with other armed rescuers by Goran Tomasevic, Reuters chief photographer for East Africa. The senator died this year 2021 on the morning of 15th February and this came after a very long time illnesses that saw him flown to Turkey for treatment and cameback to the country where he died a week later at the Agha Khan hospital.