| DALYs | Disability-Adjusted Life Years |
| ECT | Electroconvulsive Therapy |
| GCC | Gulf Cooperation Council |
| MENA | Middle East and North Africa |
| rTMS | Repetitive Transcranial Magnetic Stimulation |
| tDCS | Transcranial Direct Current Stimulation |
| TRD | Treatment-Resistant Depression |
| UAE | United Arab Emirates |
| UK | United Kingdom |
| US | United States |
| WHO | World Health Organization |