| Type of leadership | Number of times mentioned |
| Transformational leadership | 200 |
| Effective leadership | 118 |
| Transactional leadership | 110 |
| Participative leadership | 89 |
| Ethical leadership | 72 |
| Authentic leadership | 61 |
| Servant leadership | 59 |
| Charismatic leadership | 53 |
| Organisational leadership | 45 |
| Laissez-faire leadership | 39 |
| Shared leadership | 37 |
| Distributed leadership | 35 |
| Educational leadership | 35 |
| Team leadership | 32 |
| Successful leadership | 29 |
| Spiritual leadership | 27 |
| Democratic leadership | 26 |
| School leadership | 26 |
| Senior leadership | 24 |
| Visionary leadership | 23 |
| Business leadership | 23 |
| Female leadership | 22 |
| Empowering leadership | 20 |
| Authoritarian leadership | 20 |
| Individual leadership | 20 |
| Directive leadership | 19 |
| Moral leadership | 19 |
| Good leadership | 19 |
| Autocratic leadership | 18 |
| Political leadership | 18 |
| Values-based leadership | 18 |
| Task-oriented leadership | 17 |
| Instructional leadership | 17 |
| Self-leadership | 17 |
| Strategic leadership | 17 |
| Student leadership | 17 |