BMI / Build Chart — Actuarial Knowledge (USA 2026)

Think like an underwriter/actuary: build is a mortality debit, not a yes/no checkbox. Map height–weight → risk class → premium, then layer disease comorbidities.

Multi-class (not binary) Fully UW vs SI vs Graded vs GI Illustrative industry ranges
Actuarial software-knowledge disclaimer: These pages synthesize typical U.S. life / simplified-issue / final-expense / mortgage-protection underwriting logic used industry-wide (2024–2026 field guides, carrier appetites, reinsurance mortality framing). They are not any single carrier’s filed rates, not advice to applicants, and not the legacy 2022 database dump. Use them to design interview schemas and carrier-ruleset APIs.

Actuarial mindset

Mortality risk rises as BMI moves away from the healthy band (U-shape: underweight AND obese). Fully underwritten term: tight classes (Preferred Plus → Standard → Table → Decline). Simplified issue / final expense / many mortgage SI: looser max BMI, fewer classes, higher unit premium. Diabetes + high build = interaction debit (often worse than either alone). Tobacco + high build + cardio/metabolic disease = stacked decline risk. Software model: class = f(height, weight, age, tobacco, diabetic_flag, product_intent) NOT: pass/fail against a single legacy max_weight_table.

Typical BMI → class bands

BandApprox BMITypical offer familyActuarial note
Underweight< 18.5Postpone / rate / APSCancer, GI, frailty concern
Preferred Plus / Elite~18.5–27Best NT ratesAlso needs BP, lipids, family hx
Preferred~27–29Preferred NT/TCarrier-specific
Standard Plus / Standard~29–33StandardStill fully UW viable
Table ratings~33–39Table B–H styleDebits; may need labs
SI Level FE / mortgage SIoften to ~38–42Level benefit SIHigher premium, smaller face
Graded / Modified~42–46Graded DB2–3 yr limited DB common
GI / Decline traditionaloften > ~45–50Guaranteed issue or no offerNo-health-question product

Informed by U.S. carrier field guides and 2026 broker build-chart summaries (e.g. Mutual of Omaha–style preferred/standard tables; FE SI appetite guides with higher max weights).

Reference build table (illustrative)

PP/Pref/SP/Std ≈ fully underwritten style max lb (Mutual of Omaha–style unisex published summaries). SI Level / Graded ≈ BMI 40.5 / 44 design defaults for FE/mortgage SI — replace per carrier.

HeightInMin≈18.5Pref+PreferredStd+StandardSI Level≈Graded≈Beyond
4'8"5683125 (28.0)144 (32.3)153 (34.3)158 (35.4)181 (~40.5)196 (~44)>196 often GI/decline
4'9"5786131 (28.3)150 (32.5)160 (34.6)165 (35.7)187 (~40.5)203 (~44)>203 often GI/decline
4'10"5889135 (28.2)155 (32.4)165 (34.5)170 (35.5)194 (~40.5)211 (~44)>211 often GI/decline
4'11"5992141 (28.5)160 (32.3)170 (34.3)176 (35.5)201 (~40.5)218 (~44)>218 often GI/decline
5'0"6095146 (28.5)166 (32.4)177 (34.6)184 (35.9)207 (~40.5)225 (~44)>225 often GI/decline
5'1"6198152 (28.7)173 (32.7)185 (35.0)191 (36.1)214 (~40.5)233 (~44)>233 often GI/decline
5'2"62101158 (28.9)179 (32.7)190 (34.7)197 (36.0)221 (~40.5)241 (~44)>241 often GI/decline
5'3"63104164 (29.0)184 (32.6)195 (34.5)203 (36.0)229 (~40.5)248 (~44)>248 often GI/decline
5'4"64108169 (29.0)189 (32.4)200 (34.3)209 (35.9)236 (~40.5)256 (~44)>256 often GI/decline
5'5"65111174 (29.0)194 (32.3)205 (34.1)215 (35.8)243 (~40.5)264 (~44)>264 often GI/decline
5'6"66115180 (29.0)200 (32.3)210 (33.9)222 (35.8)251 (~40.5)273 (~44)>273 often GI/decline
5'7"67118185 (29.0)206 (32.3)216 (33.8)228 (35.7)259 (~40.5)281 (~44)>281 often GI/decline
5'8"68122189 (28.7)209 (31.8)220 (33.4)235 (35.7)266 (~40.5)289 (~44)>289 often GI/decline
5'9"69125195 (28.8)215 (31.7)225 (33.2)242 (35.7)274 (~40.5)298 (~44)>298 often GI/decline
5'10"70129200 (28.7)221 (31.7)232 (33.3)250 (35.9)282 (~40.5)307 (~44)>307 often GI/decline
5'11"71133206 (28.7)227 (31.7)237 (33.1)258 (36.0)290 (~40.5)316 (~44)>316 often GI/decline
6'0"72136211 (28.6)232 (31.5)244 (33.1)265 (35.9)299 (~40.5)324 (~44)>324 often GI/decline
6'1"73140217 (28.6)239 (31.5)252 (33.2)271 (35.8)307 (~40.5)334 (~44)>334 often GI/decline
6'2"74144222 (28.5)244 (31.3)257 (33.0)279 (35.8)315 (~40.5)343 (~44)>343 often GI/decline
6'3"75148228 (28.5)250 (31.2)262 (32.7)285 (35.6)324 (~40.5)352 (~44)>352 often GI/decline
6'4"76152233 (28.4)255 (31.0)268 (32.6)292 (35.5)333 (~40.5)362 (~44)>362 often GI/decline
6'5"77156239 (28.3)261 (30.9)274 (32.5)298 (35.3)342 (~40.5)371 (~44)>371 often GI/decline
6'6"78160246 (28.4)268 (31.0)280 (32.4)307 (35.5)351 (~40.5)381 (~44)>381 often GI/decline
6'7"79164252 (28.4)274 (30.9)286 (32.2)313 (35.3)360 (~40.5)391 (~44)>391 often GI/decline
6'8"80168258 (28.3)280 (30.8)294 (32.3)320 (35.1)369 (~40.5)401 (~44)>401 often GI/decline
6'9"81173264 (28.3)287 (30.8)302 (32.4)326 (34.9)378 (~40.5)411 (~44)>411 often GI/decline
6'10"82177270 (28.2)294 (30.7)310 (32.4)334 (34.9)387 (~40.5)421 (~44)>421 often GI/decline

Comorbidity stacking

CombinationTypical effect
High build AND diabetes (esp. age >45)Often decline Express/SI term; FE may grade
High build AND tobaccoHeavy debit / decline many accelerated programs
High build AND rateable hypertensionDecline many express products
High build AND asthma + tobaccoDecline pattern in several Express guides
Stable build after bariatric ≥12–24 moOften reconsider favorably

Software schema

build_class:
  preferred_plus | preferred | standard_plus | standard |
  table | si_level | graded | postpone | decline

inputs: height_in, weight_lb, age, tobacco, diabetic, product_intent
carrier_ruleset[carrier_id].build_chart[version] → thresholds
Never hard-code disconnected legacy product BMI rows.

Mortgage vs health insurance

Mortgage protection / term SI

Use SI Level/Graded ceilings + disease knockouts. Face often tied to loan; speed matters.

Medical health insurance

BMI informs metabolic risk but pricing is plan/network/Rx/age-band driven. Do not reuse life build classes as health premiums.