Boyo: Ghost workers and indulgent exorcists (The Guardian - Nigeria)
♦ A 2010 staff audit of the Nigeria Police Force revealed over 100,000 ghost police officers out of 330,000 officially registered policemen.
♦ In 2011, the Rivers State Universal Basic Education Board reported losses of N2.4 billion (approx $26 million) annually to 1,477 ghost workers
♦ In the same month, after conducting a biometric audit, The National Identity Management Commission uncovered 4,000 ghost workers out of about 10,300 employees on its payroll.
♦ The Ekiti State government loses over N3 billion annually to ghost workers out of a projected annual budget of N80 billion.
There are many more examples at the link.