March 21 is the International Day for the Elimination of Racial Discrimination

The UN chief made the appeal in a speech to the General Assembly in New York  on Tuesday, ahead of the International Day for the Elimination of Racial Discrimination.

"It is time all nations and all people live up to the words of the Universal Declaration of Human Rights, which recognizes the inherent dignity and equal and inalienable rights of all members of the human race," he stated.

Mr. Guterres said while there has been progress since the Declaration's adoption 70 years ago - for example, in the advancement of the rights of women, children, indigenous people and persons with disabilities - there is still far to go in ending discriminatory attitudes, actions and practices.

He listed pressing issues such as gender inequality; the "alarming rise" in xenophobia, racism and intolerance, and a resurgence in far-right political parties and neo-Nazi viewpoints.

Refugees and migrants are also being denied their rights, in addition to being falsely vilified as threats to the societies they seek to join, he continued.

"So, on this International Day, let us all consider how we can better promote tolerance, inclusion and respect for diversity in all nations and among all communities," the UN chief said.

"Let us work to eliminate messages of hatred - the concept of 'us' and 'them'; the false attitude that we can accept some and reject and exclude others simply for how they look, where they worship or who they love."

Like the Secretary-General, the UN High Commissioner for Human Rights also looked to the landmark Declaration in his address to the gathering.

Zeid Ra'ad Al Hussein highlighted how discrimination against individuals affects society as a whole.

"The Universal Declaration of Human Rights warns very clearly...