WELLINGTON, Jan 19 (Reuters) - The shock resignation of New Zealand Prime Minister Jacinda Ardern, who altered the face of global politics when she was elected the world's youngest female head of state, throws a spotlight on the demands faced by women in power. "We need people like Jacinda Ardern in politics. [1/2] New Zealand Prime Minister Jacinda Ardern during the Australia-New Zealand Leaders' Meeting at the Commonwealth Parliamentary Offices in Sydney, Australia, on Friday, July 8, 2022. "Certainly she really challenges the male stereotype of being a prime minister." Former Prime Minister Helen Clark said Ardern had done an "extraordinary job" in leading New Zealand through major crises.

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