Afghanistan President Hamid Karzai said: "Prime Minister Thatcher was one of the greatest leaders the world knew.”
He added that she would always be remembered in history as a strong leader who had truly served her country, particularly in strengthening the UK’s economy.
Karzai offered his condolences to the family, friends, relatives.
More top news
Teacher shortages in England continue to grow and the government has missed recruitment targets for four years, the National Audit Office.
The way the government plans to pay for social housing tenants to buy their homes is "extremely questionable", MPs warn.
Marco Rubio was the man who was going to ride to the Republican party's rescue. What went wrong?