Massachusetts · Income — Lowest Quintile
Annual rate of purchasing-power loss for the Income — Lowest Quintile archetype in Massachusetts. First income quintile from CEX 2000 Table 1. Higher healthcare premium share.
The Fixed Basket Index for the Income — Lowest Quintile archetype in Massachusetts, January 2000 = 100. Download the full series: JSON · CSV.
Annual rate over time
Year-over-year change, %/yr (same-month, so seasonality cancels; 0% = no change). BLS CPI-U (national) is shown for comparison only — not used in the index.
Counting only out-of-pocket healthcare (excluding the employer-paid
premium share), the Income — Lowest Quintile annual rate in Massachusetts
is 3.29%/yr
vs 3.85%/yr standard.
Same prices, healthcare re-weighted — query ?basket=spendable
on the API.
Per-stratum decomposition
Each contribution is the stratum's weight × its long-run rate over its coverage window, for the Income — Lowest Quintile archetype in Massachusetts. They reconcile to the headline annual rate via a chain-link & coverage residual (table footer). The Source column shows which strata use Massachusetts-specific prices vs. national fallback — only state-priced strata make Massachusetts differ from the national rate.
| Stratum | Weight | Long-run rate | Contribution | Coverage | Source |
|---|---|---|---|---|---|
| Healthcare — total premium healthcare_premium |
22.58% | 5.53% | +1.25 pp | 312 | National |
| Shelter — rent shelter_rent |
12.42% | 3.86% | +0.48 pp | 312 | National |
| Food at home food_at_home |
11.14% | 2.72% | +0.30 pp | 311 | National |
| Shelter — owned operating cost shelter_owned_operating |
5.74% | 4.13% | +0.24 pp | 312 | National |
| Home energy energy_home |
5.43% | 4.35% | +0.24 pp | 312 | National |
| Entertainment and reading entertainment |
5.55% | 4.21% | +0.23 pp | 312 | National |
| Transportation — vehicles transportation_vehicles |
8.81% | 2.47% | +0.22 pp | 312 | National |
| Transportation — services transportation_services |
6.94% | 1.88% | +0.13 pp | 312 | National |
| Education education |
2.62% | 4.89% | +0.13 pp | 288 | National |
| Gasoline energy_gasoline |
3.85% | 3.17% | +0.12 pp | 312 | National |
| Apparel apparel |
5.15% | 1.84% | +0.09 pp | 192 | National |
| Other lodging other_lodging |
1.43% | 2.53% | +0.04 pp | 300 | National |
| Postage (USPS) misc_postage |
0.06% | 3.37% | +0.00 pp | 312 | National |
| Communications communications |
3.51% | -1.76% | -0.06 pp | 312 | National |
| Healthcare — out-of-pocket healthcare_oop |
4.76% | -2.05% | -0.10 pp | 204 | National |
| Contributions, summed | +3.31 pp | ||||
| Chain-link & coverage residual | +0.54 pp | ||||
| Headline annual rate | 3.85% |
Coverage disclosure
For Massachusetts, 22% of basket weight is state-resolved, and 78% falls back to national pass-through. Per METHODOLOGY.md §5.8.
Show per-stratum coverage map
| Stratum | Band | Weight | State data range | Source |
|---|---|---|---|---|
| Food at home | National | 11.31% | — | bls_apu/APU0000709112 |
| Gasoline | National | 4.83% | — | eia/eia_gasoline_regular_weekly |
| Home energy | State | 4.92% | 1989-01 → 2026-03 | eia/eia_natgas_residential_monthly |
| Shelter — rent | National | 7.62% | — | zillow_zori/zillow_zori_us_national_smoothed |
| Shelter — owned operating cost | National | 7.35% | — | census_property_tax/fred_us_property_tax_per_capita_quarterly |
| Other lodging | National | 1.79% | — | ahla_str_adr/str_us_hotel_adr_annual |
| Apparel | National | 6.95% | — | levis_501/levis_501_stf_msrp_us |
| Transportation — vehicles | National | 12.80% | — | manheim_uvvi/manheim_uvvi_seasonally_adjusted |
| Transportation — services | National | 10.14% | — | aaa_driving/aaa_ydc_composite_cents_per_mile |
| Healthcare — total premium | State | 14.95% | 2013 → 2024 | kff_ehbs/kff_ehbs_premium_family_total |
| Healthcare — out-of-pocket | National | 4.06% | — | nadac/nadac_metformin_hcl_500mg_tablet |
| Education | State | 2.37% | 2004 → 2023 | ipeds/ipeds_in_state_tuition_and_fees |
| Communications | National | 3.28% | — | fcc_urs/fcc_urs_voice_us_residential_annual |
| Entertainment and reading | National | 7.52% | — | nato_tickets/nato_us_avg_ticket_price |
| Postage (USPS) | National | 0.11% | — | usps_stamp/usps_first_class_stamp_1oz |
Other archetypes for Massachusetts
Switch to a different household profile for Massachusetts. Same state prices, different weight schedule.
Methodology
See the methodology page for the load-bearing pillars and the basket page for per-stratum weights and source map. See the Massachusetts state landing for the full coverage table.