Afghans around the world are despairing at being unable to reach their loved ones at home after a Taliban-enforced internet blackout took effect on Monday.

Internet connection in Afghanistan is now operating at less than 1% of normal levels, according to internet governance watchdog Netblocks, after Taliban authorities imposed a blackout lasting "until further notice" on Monday.

The blackout spells worse conditions for the population of one of the world's poorest countries, who have already endured decades of conflict, a protracted humanitarian conflict, and an earthquake a month ago.