It was not immediately clear if Trump, wounded by his election loss to Joe Biden, would take part in the summit or send a high level delegate in his place.
The positive figures come after three quarters of contraction in the world's third-largest economy.
Once signed, the Regional Comprehensive Economic Partnership (RCEP) will be the world's largest trade pact in terms of GDP, according to analysts.
On Thursday more than 91,000 new US infections were recorded, according to a Johns Hopkins University tally, the highest 24-hour total.
Commentators argue that a combination of taxation, inflation, spending cuts, and even economic growth could help balance the books for Sunak.
The two-day event concludes amid a renewed push by a top lawmaker in Washington to agree on an additional spending bill to prop up the economy.
A recession is defined as two consecutive quarters of contraction. Australia's economy shrank 0.3 percent in the previous three months.
It is the worst economic contraction for Japan since comparable data in 1980, eclipsing the brutal impact of the 2008 global financial crisis.
The pound rallied on the update, which included news that the BoE held its main interest rate at a record-low 0.1 percent.
Australia's government has committed to spending at least two percent of GDP on defence.
The 20-nations accounting for 90 percent of global GDP should prioritise investment in public health, clean air, clean water and a stable climate.
The nation's second-quarter contraction is meanwhile expected to be far steeper than the first.
The OBR warned that the impact of the pandemic could initially be a bigger shock to the UK economy than the 2008 financial crisis and even the world wars.
China has largely brought the disease under control within its borders since the COVID-19 outbreak first emerged in the city of Wuhan late last year.
The Economist Intelligence Unit's (EIU) Climate Change Resilience Index measured the preparedness of the world's 82 largest economies.
Germany is headed for a recession this year as its export driven economy slows due to the global economic downturn and Trump's trade war.
France falls in line with Eurostat criteria for calculating GDP but refuses call to include vice sales in figures.
Low rise in labour productivity suggests the Italian economy's catch-up is likely to take a long time.
Former secretary of state for work and pensions says UK should call the 'EU's bluff' on leaving without a Brexit deal given its economic clout.
New IMF report warns of an economic disruption, calls for remedial measures from Beijing.
"The risk is that there is a rapid erosion in business and consumer confidence," Jonathan Portes warns.
Fraser Nelson sparks a heated debate after saying cuts have helped the worse-off.