Children of Men

The fiction defines the nightmare. The table scores what reality has already built — each symptom checkable, each status sourced, the absences counted as honestly as the arrivals.

The symptoms

	symptom	the evidence	as of
✅	Fertility has fallen below the replacement rate (2.1) across most of the worldpresent	UN World Population Prospects 2024 records the global fertility rate at about 2.2 births per woman, down from roughly 5 in the 1960s. As of 2024, 131 of 237 countries and areas (55%), home to 68% of the world's population, were below the 2.1 replacement threshold. [source]	2024-07
◐	Whole societies have fallen toward near-zero childbearing (ultra-low-fertility outliers)partial	South Korea, the world's lowest, fell to 0.72 in 2023, about a third of replacement. It rose to 0.75 in 2024 on a marriage rebound, the first increase in nine years. This is low and shrinking, not the film's zero. [source]	2026-02
◐	Male reproductive health is measurably declining (sperm counts)partial	Levine et al. (Human Reproduction Update, 2023) reported an ~52% fall in mean sperm concentration from 1973 to 2018 and an accelerating decline. A 2024 Fertility and Sterility meta-analysis (Lewis et al.) found no significant decline among fertile American men. The trend is genuinely contested, not settled. [source]	2024-08
✅	Forecasts of the global population peak are moving earlierpresent	The UN moved its projected population peak from 2086 (2022 revision) to 2084 (2024 revision), topping near 10.3 billion, citing faster-than-expected fertility declines in China and parts of sub-Saharan Africa. The forecast is an earlier peak followed by gentle decline, not collapse. [source]	2024-07
✅	States are enacting pro-natalist panic policies to raise birthspresent	Hungary grants lifetime income-tax exemption to mothers of four or more plus subsidised 'baby-expecting' loans; South Korea pays about 1,000,000 won per month for infants under one; the US floated a $5,000 baby bonus in 2025. Analyses to date find these measures largely fail to lift fertility (AEI, 2025). [source]	2025-06
✅	Migration is being met with militarized borderspresent	In 2025 the US designated 'National Defense Areas' covering roughly a third of the southern border, letting troops detain crossers for trespassing. The EU is moving to expand Frontex's mandate toward deportations for 2026 amid documented pushbacks. The film's caged 'fugees' rhyme with real scarcity politics, though these are driven by policy, not childlessness. [source]	2026-01
—	Human reproduction has stopped: total, unexplained species infertilityabsent	This is the film's central invention, and it does not exist. The US alone recorded about 3.6 million births in 2024, and roughly 130 million children are born worldwide each year. No biological mechanism for universal human sterility is observed or known; fertility is being chosen lower, not switched off. [source]	2025-04

The honest read

Below-replacement fertility is real and now covers most of humanity, but Children of Men's premise is not falling fertility, it is a hard stop to zero with no biological cause. That has not happened and is not observed: roughly 130 million children are still born worldwide each year, and the global population is still growing toward a peak around 2084. What the film reads correctly is the politics of scarcity, where pronatalist state panic and militarized borders are present today. The base rate for below-replacement fertility is slow aging and gradual shrinkage over decades, not the species-ending sterility on screen.