Federal parliament will sit for a fortnight from Monday with about a third of all members and senators present and the Delta strain of the virus spreading across the national capital.

It is expected the Senate chamber will be more than half-empty while fewer than 50 MPs will sit in the House of Representatives, under tight health rules including masks and temperature testing at entrances.

The prime minister marks three years in the top job on Tuesday, beating Malcolm Turnbull, Kevin Rudd and Tony Abbott and sitting just a few days short of Julia Gillard.

With steadily rising vaccination rates, the prime minister is confident the national plan, informed by Doherty Institute and Treasury modelling, is the right path out of the pandemic.

"You can't live with lockdowns forever and at some point you need to make that gear change, and that is done at 70 per cent (vaccination rate) because that's where we are advised from the medical science that you can make that gear change," he says.

Labor will seek to keep the pressure on the government over the slower-than-expected vaccine rollout and confusion over whether low case numbers will also guide the

"gear change".

"If the prime minister (says) ... rising cases need not impact our plan to reopen, then he needs to release that advice," Mr Albanese said.

The merit of Australia's 20-year mission in Afghanistan is expected to be debated in the lower house on Monday, as the government seeks to rescue hundreds of Australians and visa holders out of Taliban-held Kabul.

The Senate will debate a private bill to ban goods from overseas made with forced labour.

The government has prioritised national security laws, disability support reform and changes to the way elections are run on its legislation program.

With a poll able to be called this year but expected in early 2022, the Liberal-National coalition wants to change a number of electoral laws, including the introduction of a fixed pre-poll period of up to 12 days before election day.

Another change opposed by so-called micro-parties is increasing the number of members required to register a political party from 500 to 1500.

The same bill will also tighten rules around the registration of party names which replicate a word in the name of an existing registered party.

Charities and community groups have expressed concern over another change, to reduce the amount of "electoral expenditure" an individual or organisation can spend before they are required to register as a political campaigner.

A further change will provide for a jail term of up to three years for "interference with political liberty", such as violence, property damage, harassment or stalking in relation to an election.

Australian Associated Press