Teenage climate activist Greta Thunberg, pro-democracy campaigners in Hong Kong and the NATO military alliance are among those tipped for the 2020 Nobel Peace Prize, following nominations by politicians.

Also on the list, according to the eight members of the United States Congress who nominated her, is imprisoned Saudi women's rights activist Loujain al-Hathloul.

Norway's Nobel Institute, which does not confirm or deny the names of any particular individuals or organizations nominated, said on Wednesday it had received nominations for 317 candidates this year, up from 301 in 2019. Of these 210 were individuals and 107 were organizations.