- India's rise is part of trend that shows Asian economies will dominate
- The report also showed an upbeat view of the global economy
- China may overtake the US as world's No.1 economy in 2032, it said
India's rise is part of a trend that will see Asian economies increasingly dominate the top 10 largest economies over the next 15 years.
"India's economy has caught up with that of France and the UK and in 2018 will have overtaken them both to become the world's fifth largest economy in dollar terms," said Douglas McWilliams, Cebr deputy chairman.
Mr McWilliams said India's growth had been slowed temporarily because of major economic reforms, including restrictions on high-value banknotes (demonetisation) and a new national sales tax (GST), a view shared by economists polled by Reuters.
China is likely to overtake the United States as the world's No.1 economy in 2032, Cebr said.
"Because the impact of President Trump on trade has been less severe than expected, the US will retain its global crown a year longer than we anticipated in the last report," the report said.
Russia was vulnerable to low oil prices and too reliant on the energy sector, and looked likely to fall to 17th place among the world's largest economies by 2032, from 11th now.
A Reuters poll of economists in late October suggested global economic growth in 2018 looks likely to quicken slightly to 3.6 percent from 3.5 percent this year - with risks to that forecast lying on the upside.
(By Andy Bruce. Editing by David Milliken)