The new legislation will end the system of male primogeniture, meaning male heirs will no longer take precedence over women in line to the throne.

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As an initial matter, the policy, in a society that places great importance on producing male heirs, has resulted in the world's most abnormal sex ratios.

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However, Deputy Prime Minister Nick Clegg recently said the government would consider changing the laws on royal succession to remove the right of male heirs to succeed before older female siblings.

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He has received a positive response from some, particularly from those who face their titles dying out through a lack of male heirs, but he knows others are deeply opposed to the change.

BBC: UK Politics