The relativistic core-polarization corrected Dirac–Fock energy levels, oscillator strength, and lifetimes are predicted for highly ionized spectra of gold isoelectronic sequence from Bi V through U XIV. It is demonstrated that core polarization (core–valence electron correlation) strongly affects oscillator strengths and lifetimes of 6s–6p, 6p–5d, and 6d–5f transitions (the latter particularly in the vicinity of the collapse region) even for highly ionized systems of gold isoelectronic sequence.