Which of the following is the host country of annual G20 leaders' summit 2020?

Saudi Arabia will host the annual G20 leaders' summit on November 21-22, 2020, in its capital Riyadh. This will be the first G20 Summit to be hosted in the Arab world. Japan will host this year's G20 summit in Osaka, which will be held June 28-29, as well as ministerial meetings in eight cities. In 2018, the conference was held in Buenos Aries, Argentina and focused on the global economy, the future of labour markets and gender equality.