According to wikipedia, Justin Bieber is 19% more popular than Lady Gaga.

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Justin BieberLady Gaga 1 014 283 total views 814 764total views

During the month of January 2018, the 137 articles about Justin Bieber have been consulted 1,014,283 times. The 153 articles about Lady Gaga have been consulted 814,764 times.

For Justin Bieber, the most consulted versions are :
  1. Justin Bieber (en) : 421,444 visits
  2. Justin Bieber (es) : 89,523 visits
  3. Justin Bieber (de) : 89,260 visits
  4. Бибер, Джастин (ru) : 70,862 visits
  5. Justin Bieber (fr) : 45,111 visits

And for Lady Gaga :

  1. Lady Gaga (en) : 406,665 visits
  2. Lady Gaga (es) : 70,391 visits
  3. Lady Gaga (it) : 56,323 visits
  4. Lady Gaga (de) : 49,894 visits
  5. Леди Гага (ru) : 42,816 visits