The growing incidences of depression are expected to prompt the global vagal nerve stimulation market growth over the assessment period. The ability of vagal nerve stimulation to treat treatment-resistant depression in adults is popularizing it among the rising number of adults suffering from the neurological disorder. This is anticipated to escalate the vagal nerve stimulation market growth. The approval from USFDA for vagal nerve stimulation to treat epilepsy and depression is considered a crucial factor that is expected to bolster the vagal nerve stimulation market in the coming years.