Been noticing more people asking about healthcare REIT ETF plays, especially with the whole aging population trend becoming impossible to ignore. The thing is, most generic REIT funds barely touch healthcare real estate, so if that's your angle, you actually need to know what you're looking for.

Let me break down what we're talking about first. Healthcare REITs basically own and manage medical facilities—senior living communities, hospitals, medical office buildings, skilled nursing places—and collect rent from tenants. The catch? There are only about 18 of these healthcare REITs out there with a combined market cap around $105 billion. Not a huge universe, which is why they don't dominate traditional REIT portfolios.

If you want solid healthcare REIT ETF exposure without overthinking it, here's what's worth considering:

REZ (iShares Residential Real Estate) is interesting because nearly a third of its 44 holdings are healthcare REITs, even though it's technically a residential-focused fund. Expense ratio is 0.48% and it's been up around 16-17% recently. Dividend yield sits at 3.18%, which is decent for residential plays.

ICF (iShares Cohen & Steers REIT ETF) is more diversified with 30 holdings across seven REIT segments, but allocates about 9.2% to healthcare. It's one of the better performers this year and charges just 0.34% in fees. Top holdings include the big names like Welltower and Ventas.

If you want to go deeper into the aging population theme, OLD (Janus Long-Term Care ETF) is basically a healthcare REIT ETF in disguise. It puts almost 65% into real estate and over a third into healthcare, with Welltower and Ventas making up roughly a third of the fund itself. Expense ratio is 0.35%.

For the cost-conscious crowd, SCHH (Schwab U.S. REIT ETF) is hard to beat at just 0.07% annually. It holds 99 stocks with 11.2% allocated to healthcare REITs, and Schwab clients can trade it commission-free. It's up around 16-17% and yields 2.82%.

RWR (SPDR Dow Jones REIT ETF) is one of the oldest options out there with 95 holdings and about 11% healthcare REIT exposure. 0.25% fee, 3.63% dividend yield.

FRI (First Trust S&P REIT Index Fund) devotes almost 13% to healthcare REITs, which is solid for a traditional REIT fund, though it's been slightly underperforming over three years.

LNGR (Global X Longevity Thematic ETF) is more of a healthcare ETF that happens to include real estate. About 8% goes to healthcare REITs, but the fund is really about the broader aging population play with biotech and pharma exposure.

The real takeaway? If you're betting on aging demographics and want healthcare REIT ETF exposure, you've got options depending on how pure you want the play to be. The dedicated healthcare REIT picks lean toward OLD and ICF, while the cost-conscious approach with solid healthcare allocation goes through SCHH. Just pick based on your fee tolerance and how much you want to lean into the demographic trend.