Building a true "buy and hold" portfolio isn't about chasing the highest yield. It's about owning resilient ASX dividend shares that can keep paying and ideally growing dividends through cycles, downturns, and decades.
With that in mind, here are five ASX dividend shares that could form the backbone of a long-term income portfolio.

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BHP Group Ltd (ASX: BHP)
BHP Group stands out as a dividend heavyweight. Backed by world-class iron ore and copper assets, this ASX dividend share generates enormous cash flow during commodity upcycles.
The company targets a payout ratio of at least 50% of earnings, which means dividends can surge when conditions are strong. The trade-off is volatility. Earnings and payouts will rise and fall with commodity prices, but over time, BHP offers powerful income upside.
APA Group (ASX: APA)
For stability, APA Group is hard to overlook. Its gas pipeline network operates under long-term contracts, delivering predictable cash flow and a consistent stream of distributions.
While higher interest rates can weigh on infrastructure stocks, APA's reliability makes it a core income anchor for many portfolios.
Transurban Group (ASX: TCL)
Transurban Group brings a different kind of strength. It owns monopoly-like toll roads across major cities, with many tolls linked to inflation. As populations grow and traffic increases, so too does revenue.
The business carries significant debt, but its long-term concessions and essential infrastructure position it well for steady, inflation-linked income growth.
Commonwealth Bank of Australia (ASX: CBA)
No dividend portfolio feels complete without exposure to banking, and Commonwealth Bank of Australia remains the standout. It combines a dominant retail banking position with strong profitability and a long history of fully franked dividends.
While valuation can sometimes look stretched and earnings are tied to the housing cycle, CBA offers high-quality, dependable income.
Woodside Energy Group Ltd (ASX: WDS)
Rounding out the mix is Woodside Energy Group, which adds serious yield potential. As a major LNG exporter, it benefits from global energy demand and typically pays out a large portion of earnings as dividends.
That said, energy prices can be volatile, so payouts may swing. Still, it plays an important role in boosting overall portfolio income.
Foolish Takeaway
Together, these five ASX dividend shares provide exposure to multiple income drivers across resources, infrastructure, and financials. Some offer steady, defensive income, while others deliver higher but more variable payouts. That balance is what helps a portfolio navigate changing market conditions.
Over time, a mix like this could reasonably target an average yield of around 4.5% to 6%, with the added benefit of franking credits from Australian shares. More importantly, it's the potential for dividend growth – not just yield – that can drive long-term wealth.
A "forever" portfolio doesn't mean never reviewing your holdings. But it does mean choosing businesses you can hold with confidence. These five ASX names have the scale, assets, and cash flow to keep rewarding shareholders for years to come.