What if US immigration-led labor-force growth keeps it the youngest big DM?
Sustained immigration keeps the US labor force growing while peers shrink, preserving its growth premium over aging Europe and Japan and supporting US risk assets.
Every number ships with its receipt — the odds, the range, the precedents, and a public grade at Reality Check. The statistical machinery that produces it is proprietary.
The butterfly cascade
How this trigger trickles across markets, left → right — the root shock, its first‑order moves, then the ripple effects. Drag any node; tap a market for its real price history.
Resolution timeline — how this probability is moving
Our model's odds (electric blue) over time vs the market's (Polymarket, amber), from the past toward the 3–10 years horizon. Each dot is a real macro event that nudged the probability — green pushed it up, red pushed it down. Tap a dot for the source. Loading the probability audit trail…
What it would mean
If this plays out, it is a mixed shock. Sustained immigration keeps the US labor force growing while peers shrink, preserving its growth premium over aging Europe and Japan and supporting US risk assets. The trigger decomposes into signed root‑shocks — Global growth ▲ · Growth surprise ▲ · Labor shortage ▼ · Risk appetite ▲ — which propagate through our causal graph to the markets below.