According to figures on Catholic-Hierarchy.org 187 dioceses are without bishop. The number of vacancies is permantly growing and there seems to be no means to stop this dilemma.
Canada compared to other countries comes off very well. There is just one diocese without a bishop. Mackenzie-Fort Smith, Northwest Territory is vacant since December 6th 2012. Bishop Murray Chatlain was then appointed, Archbishop of Keewatin-Le Pas, Manitoba.
In the U.S. eight dioceses are without a bishop.
Half of Scotland’s ordinaries – four out of eight – have yet to be appointed, including the archdiocese of St. Andrews and Edinburgh.
The Philippines, meanwhile, has nine sees without a bishop. In January this year, retired Filipino Archbishop Oscar Cruz noted there were then 10 vacant sees in the country and thought it might be the highest number in recent history. He wondered if the Vatican might have been having a hard time in appointing new bishops for the country.
England also has two important dioceses that need a bishop: the archdiocese of Liverpool and Leeds.
The situation in Italy is even worse than in other countries. 12 sees are vacant in this country.
In several countries the sees stay vacant for several years. For many of these sees there seems to be no replacements possible in the near future. Since Pope Francis was elected 36 dioceses fell vacant and continue to be without a bishop.