There is still only a median 25 percent probability no agreement is reached before Britain is due to leave the EU on March 29, unchanged from a November poll.
EU officials said there was a solid consensus that remaining niggles should not hold up a final deal for Sunday, as the other 27 governments go through the new paperwork.
Singapore's policymakers have repeatedly warned that a heated trade war between the US and China - one of the city state's major trade partners - could hurt the domestic economy.
The average forecast from five economists is for a third-quarter growth of 2.9 percent from a year earlier, easing from 3.5 percent in the April-June quarter.
Pakistan's foreign reserves have plunged 42 percent since the start of the year and now stand at about $8 billion, or less than two months of import cover.
Singapore, a global trading hub and financial center, is seen as a bellwether for the global economy because its exports equate to around 200 percent of its output.
The IMF said a new data base in its semi-annual Fiscal Monitor report showed considerable net worth in 31 countries that account for 61 percent of global economic output.