Запрос первого 5 элемента в Джанго
Employer.objects.values('id').annotate(jobtitle_count=Count('jobtitle')).order_by('-jobtitle_count')[:5]
Xenophobic Xenomorph
Employer.objects.values('id').annotate(jobtitle_count=Count('jobtitle')).order_by('-jobtitle_count')[:5]