Insurer profile · Northwestern Mutual · NAIC + CMS
Northwestern Mutual Life
Northwestern Mutual Life's complaint record, claim-denial rate and reputation grade, drawn from published NAIC complaint data and CMS Transparency in Coverage.
- A
- Reputation grade
- 0.23
- Complaint index
- 50
- States active
The verdict
Northwestern Mutual Life earns a A reputation grade - far fewer consumer problems than peers of its size, according to the NAIC's published complaint index, its ratio runs 0.23, below the 1.0 market average.
- A
- reputation grade
- 0.23
- NAIC complaint index
Graded on 1 of 3 measures: NAIC complaints. The score is rescaled across the measures available, so it is not directly comparable with a carrier graded on more of them.
How we calculated this grade →NAIC CIS filing desk
NAIC 67091 A · 90.8
GRADE-A · INDEX-QUIET · DENIAL-NONE · RANK-BEST · NEAR-PEER · LINES-1 · BOOK-RICH
- GRADE-A A · 90.8
- INDEX-QUIET 0.23
- DENIAL-NONE No CMS file
- RANK-BEST #1/72
- NEAR-PEER MassMutual · A
- LINES-1 1 line
- BOOK-RICH 6/7 fields
Nearest complaint-index peer: MassMutual (±0.05 index pts)
Instrument codes from this carrier’s NAIC Consumer Information Source filing: grade band, complaint index, CMS denial band, corpus rank, photo-finish peer, line book, and field completeness. Not an official NAIC rating.
Complaint-index neighbourhood around Northwestern Mutual Life
Quietest and hottest poles plus nearest index peers, not a full NAIC corpus board reprint.
Northwestern Mutual Life - complaint index neighbourhood
- Northwestern Mutual… · this carrier 0
Northwestern Mutual… · this carrier
0 complaint index
- MassMutual · near 0
MassMutual · near
0 complaint index
- Guardian Life · near 0
Guardian Life · near
0 complaint index
- New York Life · near 0
New York Life · near
0 complaint index
- USAA · near 0
USAA · near
0 complaint index
- Gainsco Insurance · hottest
Gainsco Insurance · hottest
4 complaint index
What this shows According to PlainInsurer's dataset, Northwestern Mutual Life has a lower (better) NAIC complaint index than 99% of the 72 rated insurers it tracks and ranks #1 of 16 carriers by complaint ratio in Life Insurance.
Where Northwestern Mutual Life sits on complaints
- Best in data 0
Lowest complaint index in PlainInsurer's dataset: 0.23
0 complaint index
- Market avg 1
Market average complaint index = 1.0 (NAIC benchmark)
1 complaint index
- Northwestern Mutual 0
Northwestern Mutual Life: complaint index 0.23
0 complaint index
- Worst in data
Highest complaint index in PlainInsurer's dataset: 3.87
4 complaint index
What this shows Northwestern Mutual Life's complaint index of 0.23 is 77% below the 1.0 market average for a carrier of its size.
Northwestern Mutual Life vs. the full rated-insurer dataset
23% Among the most affordable more affordable than 99% of 72 rated insurers
Each bar is a band; taller bars hold more rated insurers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NAIC published complaint index (2024) · 2024
Scale vs. complaint-adjusted score
Complaint record by line of business
| Line | Est. complaints | Complaint index | States active |
|---|---|---|---|
| Life Insurance | ~1,431 | 0.23 | 50 |
Life insurance market share
National ranking by direct written premiums, NAIC 2024
What the NAIC filing desk shows for Northwestern Mutual Life
According to PlainInsurer's dataset, Northwestern Mutual Life has a lower (better) NAIC complaint index than 99% of the 72 rated insurers it tracks and ranks #1 of 16 carriers by complaint ratio in Life Insurance.
Northwestern Mutual Life is outside the CMS marketplace file, but the claim-denial rate ranking shows what that data reports for the carriers it does cover. How complaint indexes place Northwestern Mutual Life.
Nationwide insurers with similar scores or complaint volume
Two corpus-wide peer sets for Northwestern Mutual Life: nearest national-scale carriers by composite score and by NAIC complaint volume. These are cross-market neighborhoods, not the corporate-family list or same-grade chips above.
Similar composite score
Nearest carriers by composite score (90.8 here). Floored at 50+ complaints and 5+ states.
Similar complaint volume
Nearest carriers by NAIC complaint count (1,431 here). Deduped against the score peers so the two sets stay distinct.
Questions about Northwestern Mutual Life
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Verify Northwestern Mutual Life
Northwestern Mutual Life is filed with the NAIC under company number 67091. Search that number directly in the NAIC's own public consumer-information tool to cross-check this page against the primary source.
Verify on NAIC Consumer Information SourceSource: NAIC published complaint index data Complaint index, reputation grade for Northwestern Mutual Life · 2024
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Download the data behind this page
The full PlainInsurer extract, covering every insurer including Northwestern Mutual Life, is available as CSV and JSON. Underlying federal data is public domain; see our methodology for the compilation and grading method.
Data: NAIC published complaint index (2024). Not affiliated with NAIC or CMS.
Every figure on PlainInsurer comes directly from NAIC MCAS and CMS Transparency in Coverage data; no editor types in numbers. See our editorial standards or methodology, or report an error. Data current as of 2026-08-11. Grades measure only the published complaint/denial data; we don't recommend any insurer or policy.