1960–1969 (Counterculture prosperity). The bell-bottom emerges during an era of GDP growth and rising consumer confidence. The silhouette is wide, dramatic, and anti-establishment — but it's a prosperity-era revolt. Tight budgets don't produce flares; aspiration does.
1970–1979 (Stagflation decade). Bell-bottoms peak and begin their decline. Straight leg holds. The economy is in crisis — oil shocks, 13% inflation, back-to-back recessions. Denim goes functional, not fashionable. In austerity, silhouettes simplify.
1980–1989 (Reaganomics boom). Skinny, tapered, and dark-wash denim emerges with yuppie culture. High employment, rising markets, aspirational consumption. The fit is controlled, sharp, and status-signaling. This is the clearest correlation in the dataset: tightness tracks prosperity.
1990–1999 (The Long Expansion). The skinny holds early then loosens. Baggy emerges from hip-hop culture and Gen X skepticism — but against the longest economic expansion in US history. The contradiction is instructive: cultural identity can override economic correlation at peak-prosperity moments.
2000–2009 (Shock and correction). Skinny returns and dominates through the dot-com crash, 9/11, and into the housing bubble. The pattern inverts: post-crisis, consumers reach for control and polish. Skinny is the austerity silhouette of the 2000s — not because it's cheap, but because it signals discipline.
2010–2019 (Recovery and polarization). Slow economic recovery, rising inequality, Instagram-driven aesthetics. Mom jeans and high-rise emerge — retro, wry, self-aware. Wide-leg begins its ascent late in this period.
2020–2026 (Disruption era). Pandemic, supply chain collapse, inflation, post-COVID identity reset. Wide-leg and baggy now dominant. The parallel to the 1970s stagflation era is the closest structural match in the dataset: economic anxiety + identity upheaval → relaxed, anti-fitted silhouettes. Based on prior cycle durations, this phase has 4–6 years remaining.