The Global Wellness Institute, which has counted this market longer than anyone, put wellness tourism at roughly 830 billion US dollars in its most recent accounting, inside a wellness economy it sizes above six trillion. It projects the tourism slice to grow faster than travel overall for the rest of the decade. Whatever the exact figure lands at in any given year, the direction has not changed since the counting began: this is one of the fastest compounding categories in hospitality.
Money that moves that fast pulls language along with it.
What saturation looks like from inside the data
When every property needs the word, the word stops meaning anything. We scored 146 wellness and eco properties on what they actually publish about the buildings guests sleep in. The average score is 7.1 of 24. The highest is 16. On the electromagnetic environment of a bedroom, 115 of 146 publish nothing at all.
That is what a saturated market looks like from underneath: a sector where the marketing has fully arrived and the measurement has barely started. The spa menu is universal. The particulate count is almost nowhere.
Why this is good news if you own a good building
Saturation punishes claims, because claims are now everywhere and cost nothing. It rewards evidence, because evidence is still rare enough to be a position. A property that publishes a filter grade, a water panel or a field reading is not competing with the spa menu next door. It is competing in a category most of the market has not entered.
The first properties to publish numbers will define what the word means when the word finally has to mean something. The rest of this index exists to find them.