var countriesElse = db.Profiles
            .GroupBy(av => av.Country)
            .Select(g => new { Country = g.Key, Count = g.Count() });
        var otherCount = countriesElse
            .Where(x => x.Country != "US" && x.Country != "CA").FirstOrDefault();

        ViewBag.otherCount = otherCount.Count;

if(otherCount != null)
   ViewBag.otherCount = otherCount.Count;

else ViewBag.otherCount = 0;

var profile = db.Profiles
        .GroupBy(av => av.Country)
        .Select(g => new { Country = g.Key, Count = g.Count() })
        .FirstOrDefault(x => x.Country != "US" && x.Country != "CA");

ViewBag.otherCount = profile== null ? 0 : profile.Count;