🍼 FERTILITY
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Long-term indicator · Fertility

America is no longer replacing itself.

1.63
United States · 2024 · total fertility rate
Below the replacement level for the entire generation since 2007.
Replacement level needed to sustain generations: 2.1 children per woman. The U.S. stands at 1.63 — about 22% below replacement, and 23% below its most recent peak (2.12 in 2007). Absent immigration, the working-age population would begin contracting within two decades.
Source: CDC · National Vital Statistics System · updated automatically
📊 Verified numbers

Three numbers that sum up the situation

1.63
United States · children per woman
2.10
Replacement level
-22%
Gap below threshold
"
A society that loses its demographic futurism too fast becomes fragile — regardless of its political or economic system.
— Demographic logic applied to the United States
🇷🇺 Historical precedent · USSR

When fertility collapses, the State falters — 15 years later.

The Soviet collapse of 1991 was read in advance from demographic signals. Emmanuel Todd diagnosed it in 1976 — from the birth and death registers, not from politics.

1970
Soviet infant mortality starts rising
An unprecedented reversal in an industrial society. Moscow quietly stops publishing the series.
1976
Todd's demographic diagnosis is published
Rising infant mortality + falling Slavic fertility + mass male alcoholism. The system is rotting from within. Political analysts look elsewhere.
1980s
The ethnic fertility differential sets in
Slavic fertility below replacement while Central Asian republics stayed far higher. Structural tension, baked in a generation ahead.
1991
Collapse of the USSR
15 years after the demographic diagnosis. Demography had decided. Politics only ratified.

The Beaver tracks exactly the same signals for the United States.

📚 Three cases · one logic

When demography decides — from antiquity to now

🏛️
Rome
Augustus · pro-natalist laws
18 BC
Lex Julia → Lex Papia Poppaea (AD 9)
Faced with collapsing fertility among the Roman elite, Augustus penalized the unmarried and childless and rewarded large families. The laws did not reverse the decline. Coercion never restored what culture had lost.
🇷🇺
USSR
1976 → 1991 · 15 years
1976
demographic diagnosis before collapse
Slavic fertility falling below replacement, infant mortality rising, mass male alcoholism. Total collapse 15 years later. The signals were legible from the registers.
🇯🇵
Japan
1990s → today · 30 years
1.2–1.3
fertility sustained for three decades
Two lost decades of growth, a debt-to-GDP ratio above 250%, a society unable to fund its own future. Low fertility is not an event — it is a slow structural sentence.
🇺🇸 Fertility by state

The map splits along region and culture

Metric: general fertility rate — births per 1,000 women ages 15–44 (CDC, 2023). This is the directly published state-level figure; the national headline above uses the lifetime TFR (1.63). National GFR: 54.5.

VT
42.1
births/1k women
DC
43.0
births/1k women
RI
45.2
births/1k women
OR
45.9
births/1k women
NH
46.8
births/1k women
TX
60.6
births/1k women
ND
62.0
births/1k women
AK
62.4
births/1k women
NE
62.5
births/1k women
SD
65.6
births/1k women

Showing the 5 lowest and 5 highest states (CDC 2023). The full 50-state + DC grid populates automatically from the CDC pipeline.

📈 American curve · 1960 → 2024

The fall is not accidental. It is a trajectory.

1960
3.65
1976
1.74
1990
2.08
2000
2.06
2007
2.12
2010
1.93
2020
1.64
2024
1.63

Below the 2.1 replacement level continuously since 2007. The U.S. now sits alongside Western Europe — no longer the demographic exception among rich democracies.

⏱️ Predicted consequences if the rate stays near 1.6 · projected figures

A structural cascade over 5 to 30 years

5–10
years
Social Security & Medicare funding crunch
The system was built around many workers per retiree. In 1960 there were 5.1 covered workers per beneficiary; by 2024 about 2.7, and the Trustees project 2.3 by 2035 — the year the combined trust funds are projected to run dry. Source: SSA Board of Trustees.
10–15
years
Healthcare cost pressure · shrinking tax base
An older population with proportionally fewer young workers means healthcare demand rises while the contributing base narrows — a structural squeeze on federal and state budgets.
10–20
years
Immigration dependency · integration tension
With natural increase near zero, net immigration becomes the near-sole driver of labor-force and population growth. The pace of that dependency — not immigration itself — is historically what strains social cohesion.
15–30
years
Structural economic drag · the Japan parallel
Japan held a fertility rate of 1.2–1.3 for three decades and paid with two lost decades of growth and a debt-to-GDP ratio above 250%. The U.S. is earlier on the same curve, not off it.
🧬 Methodology
The Total Fertility Rate (TFR) is the average number of children a woman would have over her lifetime given current age-specific birth rates. The replacement level is 2.1. The U.S. figure is the national TFR from the CDC National Vital Statistics System, refreshed in real time through our automated pipeline. No invented numbers.