What do National Australia Bank's (NAB) net interest income, margins and provisions show over time?
National Australia Bank's net interest income grew from $12.9B in FY2016 to $17.4B in FY2025, with the largest gains coming in FY2023 when it jumped to $16.8B from $14.8B a year earlier. Non-interest income moved in the opposite direction for much of the period, falling from $5.2B in FY2016 to a low of $2.9B in FY2021, before recovering to $3.9B in FY2024 and easing back to $3.5B in FY2025.
Net interest margin narrowed steadily from 1.88% in FY2016 to 1.65% in FY2022, its lowest point in the period, before recovering to 1.74% by FY2025. Provisions for loan losses swung widely: they stood at $813M in FY2016, spiked to $2.8B in FY2020, eased to as little as $124M in FY2022, and rose again to $833M in FY2025.
Diluted earnings per share tracked the swings in net income, rising from just $0.16 in FY2016, when net income was $352M, to a peak of $2.29 in FY2023 on net income of $7.4B, before easing to $2.20 in FY2025 on net income of $6.8B. Basic shares on issue rose from 2.60 billion in FY2016 to a high of 3.29 billion in FY2021, before declining to 3.06 billion in FY2025.
Updated 6 Jul 2026