World GDP to grow 5.6% if vaccines roll out fast By IANS | Published on Wed, Mar 10 2021 11:21 IST | 0 Views Economy. Image Source: IANS News Paris, March 10 : The global gross domestic product (GDP) will grow at 5.6 per cent this year if Covid-19 vaccination rollouts are fast and effective enough across the world, the Paris-based Organization for Economic Cooperation and Development (OECD) said. World output is expected to reach pre-pandemic levels by mid-2021 and the global economy is expected to grow by 4 per cent in 2022 after seeing 5.6 per cent growth in 2021, the OECD said in its latest Interim Economic Outlook issued on Tuesday. The OECD projected the US economy to grow at 6.5 per cent in 2021 thanks to "significant fiscal stimulus along with faster vaccination", reports Xinhua news agency