The results of the north-east regional list – in which he is standing – will not be declared until Saturday.
Speaking to Northsound radio at the Aberdeen election count, the former first minister said: “I think our success is registering as a political party and registering on the political spectrum.
“To form a political party in a six-week period, to publicise, to get the activists and the members and the candidates and the programme – I don’t know if it’s ever been done before.
“I think time will tell if our argument that we’ve been putting forward proves correct.”
Mr Salmond’s party has regularly polled at just 3% of the list vote with pollsters predicting his party could struggle to pick up seats in this election.
Alex Salmond says Alba judged a ‘success’ by ‘registering as a political party’