From Ian Bremmer via LinkedIn:

Govt Debt 2007-15 (% of GDP)
US: 64% to 105%
Eurozone: 65% to 95%
Japan: 183% to 243%
China: 35% to 43%
India: 74% to 64%

US shrinking contribution to global growth
1996: 28.3%
1997: 29.6%
1998: 47%
2016: 20.9%
2017: 17.4%
2018: 15.7%
(WSJ)

Brexit estimated economic cost to UK (by 2020):
£100 billion
950,000 jobs (Conf of British Industry)

Who wants a referendum on EU exit?
France: 53%
Sweden: 49%
Spain: 47%
Germany: 45%
Poland: 39%
Ireland: 38%
(LeMonde)