vitrine · corridor · pairwise

1910s ↔ 1990s

Fact families the measure guard certifies comparable for this pair. Everything else renders as the gap it is. Every value links to its placard.

Rooms 1910s 1990s all corridors

Life expectancy at birth

years (all races, both sexes)

⚠ Decades before the 1960s published white-only male/female life tables with no all-races total — the placard carries the sexed figures and the chart renders the gap rather than a spliced concept.
1910s · Tier A
50.2 male, 53.6 female (white) — see the placard
1990s · Tier A
71.8 male, 78.8 female (75.4 total, all races)

Homeownership

% of occupied housing units owner-occupied

1910s · Tier A
45.9%
1990s · Tier A
64.2%

Telephone

% of households

⚠ 1910s–1930s sources counted telephones per 1,000 population, not households — those decades render as gaps rather than a unit splice.
⚠ The 2020s point counts cell phones (92.7%); the landline share is on the placard.
1910s · Tier A
~13 per 1,000 population (1915) — see the placard
1990s · Tier A
94.8%

Women's unpaid home production

hours per week, prime-age women

⚠ The 2020s source (ATUS) measures all-adult household activities, a concept splice from Ramey's women's series — flagged, not smoothed, so the chart renders it as a gap and the placard carries both figures.
1910s · Tier C
45.6
1990s · Tier D
no reliable record — see the placard

Men's unpaid home production

hours per week, prime-age men

1910s · Tier C
4.0
1990s · Tier D
no reliable record — see the placard