Fewer than 10 per cent of aged care workers fully vaccinated against COVID-19

Fewer than 10 per cent of aged care workers have been fully vaccinated against COVID-19, but the Commonwealth insists they are "underestimating" the number of those protected.

Health Department officials told a parliamentary hearing 32,833 staff had been vaccinated with two doses, alongside nursing home residents, and 70,000 have received their first dose.

The national aged care workforce employs about 366,000 people.

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But Department of Health associate secretary Caroline Edwards said the numbers only factor in people vaccinated inside facilities and not those who have attended pop-up clinics or their GP.

"Can we be clear: this is the minimum number based on a single program," Ms Edwards said.

Labor leader Anthony Albanese described the baseline figures as "extraordinary".

"It just shows how diabolical this is that the government isn't even keeping records on this matter," Mr Albanese said.

Aged Care Services Minister Richard Colbeck said the full set of data will be available later this week.

It was also revealed to the committee 44,333 aged care residents have received their first jab and 25,319, or just over 50 per cent, have been fully vaccinated.

Last year, more than 600 older Australians died as a result of COVID-19 outbreaks in aged care.