As of 2020, United States and China would occupy first two places in world gdp ranking of both methods. On nominal basis, US is ahead of China by $7.05 trillion. while on ppp basis, China is ahead by almost equal margin of Int. $7.15. Margin between US and China is coming down in nominal ranking as China gdp growth rate of 2020 (5.82%) is much higher than US's 2.09%. China has overtook US in 2014 on ppp basis and gap is increasing. China will remain the world's largest economy on ppp basis over the next few decades as 2nd ranked US is growing slow and 3rd ranked India is way behind.

In nominal gdp list, 3rd biggest Japan and 4th biggest Germany would remain stable and India will consolidate its position at 5th place surpassing United Kingdom and France in 2019 as lead of India would become $431 mn and growth rate are much higher than these two. Year 2020 might see change in top 10 as France is projected to overtake United Kingdom. Other change in top 20 would be Turkey overtaking Saudi Arabia. Among top 50, Economic rank of Philippines would move up by 3.

In ppp ranking, there might be two changes in top 20 with Saudi Arabia and Egypt surpassing Canada and Iran. Vietnam would up by two position in global ranking.

In the list of top 50, Bangladesh is fastest growing with 7.45% followed by Vietnam, Philippines and China growing above 6 percent. Argentina has lowest growth rate of -1.28% followed by Islamic Republic of Iran.

United States (1,7) is present in both list of top ten GDP and GDP per capita ranking at nominal terms. Germany (4,17), Canada (10,19), Australia (14,12), Netherlands (17,11) and Switzerland (20,2) are in top twenty list of GDP and GDP per capita ranking. In PPP, no economy in top ten in both ranking. Three economies are in both list of top 20: United States (2,11), Germany (5,20), and Saudi Arabia (17,16).