SYDNEY - Australia will stop most international students from adding family members to their visas and limit the extension of working holiday visas in a bid to reduce migration, the country's home affairs minister said Thursday.

The changes are part of a broader overhaul of migration regulations announced by Home Affairs Minister Tony Burke in Canberra, aimed at reducing annual net overseas migration to 225,000 by 2028 from the current level of about 300,000.

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