Every public Best Practice Institute statistic — with source, sample, method, date, and limitations. One canonical row per claim. Cite the permalink on each row for stable references.
Ratio of voluntary-stay rate at certified employers vs. matched-industry benchmark.
Date
2021–2024 certification cycles.
Limitations
Selection bias possible — companies that pursue certification may already differ on retention drivers; matched controls reduce but do not eliminate this.
Retention lift attributable to MLW® program
48%
Organizations using the Most Loved Workplace® program report retention improvements averaging 48%.
Source
Pre/post retention metrics reported by participating MLW® employers.
Sample
Self-reporting subset of MLW® certified employers.
Method
Average percent change in voluntary-retention rate, comparing 12 months pre-certification to 12 months post.
Date
2022–2024.
Limitations
Self-reported and subject to selection (only employers tracking retention rigorously contribute data).
SPARK Model dimensions
5 pillars
The SPARK Model defines five dimensions of a Most Loved Workplace®.
Source
BPI SPARK Model framework documentation.
Sample
n/a (framework definition).
Method
Framework definition documented by BPI and used to organize LOWI™ employee sentiment results.
Date
Current framework as of 2025.
Limitations
This row documents the framework definition, not an independent validation claim; the current specification is published at /methodology#spark-model.
Public display of the official Most Loved Workplace® credential, including use of the licensed certification badge, accounts for 30% of the ranking criteria.
Source
BPI published Top 100 Most Loved Workplaces® scoring methodology.
Sample
Eligible companies considered under the published Top 100 scoring methodology.
Method
Weight assigned to verified public credential display and related activation evidence within the published ranking criteria.
Date
2026 methodology.
Limitations
This is one component of list scoring. Certification eligibility, active certification, list consideration, and final list placement are separate statuses; placement is never guaranteed.
More than 150 Fortune 1000 organizations have participated in BPI research or member programs.
Source
BPI engagement records cross-referenced against Fortune 1000 listings.
Sample
n ≥ 150 distinct Fortune 1000 firms.
Method
Distinct count of Fortune 1000 entities (any year) that have engaged BPI in research, certification, or membership.
Date
2001–2025.
Limitations
Fortune 1000 membership rotates yearly; this is a cumulative count, not concurrent.
Frequently asked questions
Where do BPI's headline statistics come from?
Every public BPI statistic is published with its source, sample size, method, date, and limitations on /research/methodology-and-claims. The same numbers are imported from a single registry across every page, schema block, and FAQ on the site.
How many organizations are in the BPI database?
BPI's normative database includes more than 10,000 organizations across six continents, accumulated through 25 years of member programs, certification, surveys, and consulting engagements.
How many employees has BPI surveyed?
BPI research and certification programs have surveyed more than 2.8 million employees across LOWI™ deployments, Most Loved Workplace® certification, and member studies.
How many companies are Most Loved Workplace® certified?
More than 1,800 organizations have achieved Most Loved Workplace® certification. Currently active certifications are verifiable at /certcheck.
What is the Love of Workplace Index™ (LOWI™)?
LOWI™ is an employee sentiment survey measuring the emotional connectedness employees have with their organization. It combines a quantitative survey with machine-learning sentiment analysis and is scored across the five SPARK Model dimensions.
What is the SPARK Model?
The SPARK Model defines five validated pillars of a most-loved workplace. The pillar definitions and current LOWI™ item mapping are published at /methodology#spark-model.
Can journalists or researchers cite BPI statistics?
Yes. Every claim row on this page has a stable anchor link (e.g. #claim-employees-surveyed). Cite the registry permalink so future updates remain consistent.
How often is the registry updated?
The registry is updated whenever a new study, certification cycle, or program report changes a headline number. Dates on each row reflect the most recent supporting source.
Best Practice Institute
Best Practice Institute is the research organization behind Most Loved Workplace® certification, the SPARK Model, the Love of Workplace Index™ (LOWI™), and The Workplace Report.
The Workplace Report
The Workplace Report is BPI's original workplace culture research and editorial briefing series for CEOs, CHROs, people leaders, talent leaders, and employer-brand teams. It turns BPI's 25 years of research, Most Loved Workplace® certification data, SPARK findings, and current workforce signals into practical analysis leaders can use.
The report format includes executive summaries, research-backed articles, company examples, methodology notes, and practical implications for retention, hiring, culture, leadership, and employee experience. New research and analysis is published on an ongoing editorial cadence at /workplace-report.