Aid to Indonesia will be considerably cut by the Abbott government in next week's budget, but is unlikely to be directly linked as retribution to the executions of Andrew Chan and Myuran Sukumaran.

The aid budget will face the biggest cut to its programs in Australia's history as it is slashed by $1 billion. This is expected to affect assistance offered to Indonesia – Australia's largest aid beneficiary that was offered $605.3 million last year.

Andrew Chan and Myuran Sukumaran were executed by firing squad in April. Credit:Anta Kesuma

The cuts are so significant that Fairfax Media understands ambassadors from African countries including Botswana, Kenya, Zimbabwe, Angola and Ethiopia pleaded to the joint standing committee on foreign affairs and aid not to cut aid to their impoverished nations during a meeting in March.

A Liberal MP who was present at the meeting confirmed that the ambassadors addressed the members of the committee, saying they "implored" the government not to cut aid to their countries due to the extreme levels of poverty.