Prime minister leader, the incoming leader will usually be referred as "prime minister-in-waiting". An example or this situation was in 2016 in the United Kingdom when Theresa May was elected leader of the Conservative Party while David Cameron was still prime minister. Ukraine's constitution (1996) lists the powers, functions and duties of the Prime Minister of Ukraine. Most prime ministers in parliamentary systems are not appointed for a specific term in office and in effect may remain in power through a number of elections and parliaments. For example, Margaret Thatcher was only ever appointed prime minister on "one" occasion, in 1979. She
Roger Thatcher the sheer size of total effort required for the operation. Thatcher was required to delete three queries from the census after personally meeting to discuss the matter with then-Prime Minister of the United Kingdom Margaret Thatcher. In 1981, Thatcher found that over the prior thirty-year-period, the number of individuals alive to reach the age of 100 had increased by a figure of sixfold. At a 1981 meeting in Sussex held by the Medical Journalists Association, Thatcher presented the findings from his research and called the results "spectacular". He reported that in 1971 there were less than 300 people in the