One Nation's migration cap: grows Australia or shrinks it?

One Nation's 130,000 migration cap means opposite things depending who you ask. Senator Malcolm Roberts subtracts 220,000 annual departures and gets net migration of minus 90,000 — population shrinkage. Barnaby Joyce calls the same figure a 'small net increase.' A party built on hardline immigration can't say whether its flagship policy grows the nation or shrinks it.