First Minister Nicola Sturgeon has led the congratulations to Joe Biden after his projected victory in the US election.

Nicola Sturgeon took to Twitter after the announcement labeling it a "historic" win. 

"I warmly congratulate President-elect Biden and Vice-President-elect Kamala Harris on their success. Theirs is a historic victory that will be welcomed by progressives across the globe. 

"Women and people of colour in particular will feel inspired by the historic nature of Vice President-Elect Harris' achievement."

Kamala Harris is set to become the United States' first female vice president. 

The 56-year-old is also the first black and Indian-American person to be elected to the role – an achievement she pledged would pave the way for others like her in the future.

READ MORE: Joe Biden wins US presidential election

Ms Sturgeon continued: "I welcome the commitment that was so evident in the Biden/Harris campaign to leadership and multilateral cooperation on the many challenges face by countries across the world, from COVID-19 to climate change. 

"Scotland and America share deep and longstanding bonds of friendship, and I look forward to these being renewed and strengthened in the years ahead."

Prime Minister Boris Johnson also congratulated the duo, he said: “Congratulations to Joe Biden on his election as President of the United States and to Kamala Harris on her historic achievement.

“The US is our most important ally and I look forward to working closely together on our shared priorities, from climate change to trade and security.”