> ## Documentation Index > Fetch the complete documentation index at: https://www.datalegion.ai/docs/llms.txt > Use this file to discover all available pages before exploring further. # Dataset Statistics & Coverage > Coverage statistics and field fill rates for Data Legion's 188M+ person profiles, including confidence distributions for phones, emails, locations, and socials. Statistics on field coverage, confidence distribution, and dataset composition. ## Dataset Snapshot * **Total contacts**: 188,844,186 ## Confidence Distribution (linkage confidence) | Attribute | high | moderate | low | Total | | --------- | ----------- | ----------- | ----------- | ----------- | | Phones | 58,268,464 | 13,796,414 | 15,465,683 | 87,530,561 | | Emails | 149,662,907 | 50,429,297 | 65,771,179 | 265,863,383 | | Locations | 115,253,785 | 103,550,609 | 140,961,390 | 359,765,784 | | Socials | 134,724,553 | 17,499,914 | 15,755,928 | 167,980,395 | ## Coverage Summary | Field | Type | Description | Nullable | Fill Rate | Count | | ---------------------------------------- | ------------ | ------------------------------------------------------------------------------------------ | -------- | --------- | ------------- | | `legion_id` | string | Stable contact identifier | No | 100% | 188,844,186 | | `full_name` | string | Best-available full name | No | 100% | 188,844,186 | | `first_name` | string | First name | No | 100% | 188,844,186 | | `middle_name` | string | Middle name (non-initial) | Yes | 5% | 8,939,249 | | `middle_initial` | string | Middle initial (provided or derived) | Yes | 15% | 28,965,191 | | `last_name` | string | Last name | No | 100% | 188,844,186 | | `last_initial` | string | Last name initial | No | 100% | 188,844,186 | | `suffix` | string | Name suffix | Yes | 1% | 2,261,508 | | `prefix` | string | Name prefix | Yes | 0% | 113,262 | | `sex` | enum | Sex value | Yes | 90% | 169,955,797 | | `birth_date` | string | Birth date (precision preserved) | Yes | 33% | 62,787,442 | | `birth_year` | integer | Birth year | Yes | 33% | 62,787,442 | | `birth_month` | integer | Birth month | Yes | 33% | 62,723,757 | | `birth_day` | integer | Birth day | Yes | 1% | 1,907,180 | | `age` | integer | Age in years | Yes | 33% | 62,787,442 | | `job_title` | string | Current job title | Yes | 66% | 124,727,026 | | `company_legion_id` | string | Current company Data Legion ID | Yes | 44% | 83,558,147 | | `company_name` | string | Current company name | Yes | 64% | 121,103,373 | | `company_domain` | string | Current company website domain | Yes | 43% | 80,605,032 | | `company_linkedin_url` | string | Current company LinkedIn URL | Yes | 45% | 84,997,723 | | `company_linkedin_id` | string | Current company LinkedIn numeric ID | Yes | 44% | 83,558,147 | | `company_industry` | enum | Current company industry (see enums/industry.csv) | Yes | 43% | 80,912,203 | | `company_size` | enum | Current company size (see enums/company\_size.csv) | Yes | 45% | 84,406,878 | | `seniority_level` | enum | Seniority level (c\_level/owner/partner/vp/director/manager/senior/junior/training/intern) | Yes | 27% | 51,709,634 | | `job_function` | enum | Job function (engineering/sales/marketing/healthcare/education/etc.) | Yes | 66% | 124,638,607 | | `expense_category` | enum | P\&L expense category (see enums/expense\_category.csv) | Yes | 66% | 124,638,607 | | `is_decision_maker` | boolean | True if seniority is c\_level/owner/partner/vp/director | Yes | 100% | 188,844,186 | | `is_platform_worker` | boolean | True if current job is platform/gig usage (e.g. Airbnb host, Uber driver), not employment | Yes | 100% | 188,844,186 | | `years_of_experience` | integer | Years since earliest job start date | Yes | 41% | 77,995,635 | | `avg_tenure_months` | number | Average job tenure in months across all experience entries | Yes | 41% | 77,951,080 | | `highest_degree_level` | enum | Highest education level (doctorate/masters/bachelors/associates/high\_school) | Yes | 27% | 51,233,719 | | `work_email` | string | Current work email address | Yes | 31% | 58,270,994 | | `mobile_phone` | string | Current mobile phone number | Yes | 24% | 44,795,342 | | `city` | string | Current city | Yes | 85% | 160,770,041 | | `state` | string | Current state/province | Yes | 85% | 161,028,726 | | `state_code` | string | Current state ISO 3166-2 code (e.g., US-CA, GB-ENG) | Yes | 85% | 161,025,333 | | `country` | string | Current country | Yes | 85% | 161,128,947 | | `country_code` | string | Current country ISO 3166-1 alpha-2 code (e.g., US, GB) | Yes | 85% | 161,128,947 | | `linkedin_url` | string | Primary LinkedIn profile URL | Yes | 70% | 132,997,527 | | `linkedin_id` | string | LinkedIn numeric member ID | Yes | 66% | 125,181,123 | | `linkedin_followers` | integer | LinkedIn follower count | Yes | 62% | 116,210,135 | | `linkedin_connections` | integer | LinkedIn connection count | Yes | 62% | 116,210,823 | | `headline` | object | Object containing headline text and raw snippets | No | 63% | 119,001,638 | | `headline.cleaned` | string | Headline text | Yes | 63% | 119,001,638 | | `headline.raw[]` | array | Headline raw snippets | No | 63% | 119,001,638 | | `summary` | object | Object containing summary text and raw snippets | No | 20% | 37,467,627 | | `summary.cleaned` | string | Summary text | Yes | 20% | 37,467,627 | | `summary.raw[]` | array | Summary raw snippets | No | 20% | 37,467,627 | | `skills[]` | array | Array of skills objects | No | 26% | 48,812,490 | | `skills[].raw[]` | array | Skills raw snippets | No | 100% | 1,025,104,629 | | `skills[].cleaned` | string | Skills text | Yes | 100% | 1,025,104,629 | | `languages[]` | array | Array of languages objects | No | 11% | 21,466,784 | | `languages[].raw[]` | array | Languages raw snippets | No | 100% | 34,184,009 | | `languages[].cleaned` | string | Languages text | Yes | 100% | 34,184,009 | | `languages[].proficiency` | enum | Languages proficiency | Yes | 37% | 12,537,316 | | `certifications[]` | array | Array of certification objects | No | 7% | 13,125,848 | | `certifications[].name.cleaned` | string | Normalized certification name | Yes | 100% | 33,049,552 | | `certifications[].name.raw[]` | array | Raw certification name variants | No | 100% | 33,049,552 | | `certifications[].institution.cleaned` | string | Normalized issuing institution | Yes | 95% | 31,259,320 | | `certifications[].institution.raw[]` | array | Raw issuing institution variants | No | 95% | 31,259,320 | | `certifications[].credential_id` | string | Credential ID | Yes | 14% | 4,778,019 | | `certifications[].issue_date` | string | Issue date | Yes | 78% | 25,904,290 | | `certifications[].expiration_date` | string | Expiration date | Yes | 11% | 3,755,616 | | `phones[]` | array | Contact has ≥1 phone | No | 37% | 69,354,474 | | `phones[].type` | enum | Phone type | No | 100% | 87,530,561 | | `phones[].number` | string | Phone number present | No | 100% | 87,530,561 | | `phones[].current` | boolean | Phone flagged current | No | 100% | 87,530,561 | | `phones[].confidence` | enum | Phone confidence bucket | No | 100% | 87,530,561 | | `phones[].num_sources` | integer | Number of sources that contributed to this phone | No | 100% | 87,530,561 | | `phones[].last_seen` | string | Phone last-seen date | Yes | 75% | 65,708,690 | | `emails[]` | array | Contact has ≥1 email | No | 80% | 150,138,059 | | `emails[].address` | string | Email address | No | 100% | 265,863,383 | | `emails[].type` | enum | Email type | Yes | 100% | 265,863,383 | | `emails[].current` | boolean/null | Current status (null for personal emails) | Yes | 100% | 265,863,383 | | `emails[].validated` | boolean | Email validated | No | 100% | 265,863,383 | | `emails[].validation_status` | enum | Validation status | Yes | 11% | 28,662,267 | | `emails[].confidence` | enum | Email confidence bucket | No | 100% | 265,863,383 | | `emails[].num_sources` | integer | Number of sources that contributed to this email | No | 100% | 265,863,383 | | `emails[].last_seen` | string | Email last-seen date | Yes | 92% | 245,673,994 | | `emails[].hash_sha256` | string | SHA-256 hash of normalized email address | Yes | 100% | 265,863,383 | | `emails[].hash_sha1` | string | SHA-1 hash of normalized email address | Yes | 100% | 265,863,383 | | `emails[].hash_md5` | string | MD5 hash of normalized email address | Yes | 100% | 265,863,383 | | `locations[]` | array | Contact has ≥1 normalized locations | No | 100% | 188,596,393 | | `locations[].street_address` | string | Street line present | Yes | 73% | 263,454,949 | | `locations[].address_line_2` | string | Address line 2 present | Yes | 9% | 33,748,516 | | `locations[].city` | string | City present | Yes | 100% | 358,197,563 | | `locations[].state` | string | State/province name (lowercase) | Yes | 96% | 346,132,360 | | `locations[].state_code` | string | ISO 3166-2 code (e.g., US-NY) | Yes | 96% | 345,574,647 | | `locations[].country` | string | Country name (lowercase) | Yes | 99% | 356,202,933 | | `locations[].country_code` | string | ISO 3166-1 alpha-2 (e.g., US) | Yes | 99% | 356,196,571 | | `locations[].postal_code` | string | Postal code present | Yes | 75% | 269,259,439 | | `locations[].postal_code_4` | string | ZIP+4 suffix (4-digit, US only) | Yes | 32% | 113,597,090 | | `locations[].continent` | string | Continent name | Yes | 99% | 356,196,513 | | `locations[].continent_code` | string | Continent code | Yes | 99% | 356,196,513 | | `locations[].geo` | string | Latitude,longitude coordinates | Yes | 62% | 223,558,594 | | `locations[].raw[]` | array | Raw location from the source | No | 100% | 359,765,747 | | `locations[].current` | boolean | Location flagged current | No | 100% | 359,765,784 | | `locations[].confidence` | enum | Location confidence bucket | Yes | 100% | 359,765,784 | | `locations[].num_sources` | integer | Number of sources that contributed to this location | No | 100% | 359,765,784 | | `locations[].last_seen` | string | Location last-seen date | Yes | 60% | 217,639,270 | | `experience[]` | array | Experience entries | No | 70% | 131,660,054 | | `experience[].title` | object | Experience title object | Yes | 100% | 422,582,783 | | `experience[].title.cleaned` | string | Experience title cleaned value | Yes | 100% | 422,375,605 | | `experience[].title.raw[]` | array | Experience title raw snippets | Yes | 100% | 422,375,640 | | `experience[].organization` | object | Experience organization object | Yes | 100% | 422,582,783 | | `experience[].organization.legion_id` | string | Experience organization Data Legion company ID | Yes | 75% | 316,462,326 | | `experience[].organization.name` | object | Experience organization name object | Yes | 100% | 422,582,783 | | `experience[].organization.name.cleaned` | string | Experience organization name cleaned value | Yes | 99% | 417,836,504 | | `experience[].organization.name.raw[]` | array | Experience organization name raw snippets | Yes | 99% | 417,938,161 | | `experience[].organization.website` | string | Experience organization website URL | Yes | 72% | 304,527,249 | | `experience[].organization.linkedin_url` | string | Experience organization LinkedIn URL | Yes | 76% | 320,533,450 | | `experience[].organization.linkedin_id` | string | Experience organization LinkedIn numeric ID | Yes | 75% | 316,462,326 | | `experience[].organization.industry` | enum | Experience organization industry (see enums/industry.csv) | Yes | 72% | 305,453,343 | | `experience[].organization.size` | enum | Experience organization size (see enums/company\_size.csv) | Yes | 75% | 317,124,885 | | `experience[].start_date` | string | Experience start date | Yes | 85% | 359,128,404 | | `experience[].end_date` | string | Experience end date | Yes | 63% | 266,621,376 | | `experience[].current` | boolean | Experience current flag | Yes | 85% | 359,272,818 | | `experience[].tenure_months` | integer | Job tenure in months (calculated from start\_date and end\_date) | Yes | 85% | 359,105,989 | | `experience[].seniority_level` | enum | Seniority level classification (see enums/seniority\_level.csv) | Yes | 44% | 187,244,808 | | `experience[].job_function` | enum | Job function classification (see enums/job\_function.csv) | Yes | 100% | 422,139,509 | | `experience[].expense_category` | enum | P\&L expense category (see enums/expense\_category.csv) | Yes | 100% | 422,139,509 | | `experience[].is_decision_maker` | boolean | True if seniority is c\_level/owner/partner/vp/director | Yes | 100% | 422,582,783 | | `experience[].is_platform_worker` | boolean | True if role is platform/gig usage (e.g. Airbnb host, Uber driver), not employment | No | 100% | 422,582,783 | | `experience[].description` | object | Experience description object | Yes | 100% | 422,582,783 | | `experience[].description.cleaned` | string | Experience description text | Yes | 44% | 187,734,474 | | `experience[].description.raw[]` | array | Experience description raw snippets | Yes | 44% | 187,777,558 | | `education[]` | array | Education entries | No | 39% | 73,749,914 | | `education[].organization` | object | Education organization object | Yes | 100% | 155,136,028 | | `education[].organization.name` | object | Education organization name object | Yes | 100% | 155,136,028 | | `education[].organization.name.cleaned` | string | Education organization name cleaned value | Yes | 100% | 155,136,020 | | `education[].organization.name.raw[]` | array | Education organization name raw snippets | Yes | 100% | 155,136,028 | | `education[].organization.linkedin_url` | string | Education organization LinkedIn URL | Yes | 79% | 123,034,846 | | `education[].organization.website` | string | Education organization website URL | Yes | 50% | 77,187,419 | | `education[].degree` | object | Education degree object | Yes | 100% | 155,136,028 | | `education[].degree.cleaned` | string | Education degree cleaned value | Yes | 68% | 105,304,427 | | `education[].degree.raw[]` | array | Education degree raw snippets | Yes | 68% | 105,304,483 | | `education[].degree_level` | enum | Degree level (see enums/degree\_level.csv) | Yes | 55% | 85,421,225 | | `education[].field_of_study` | object | Field of study object | Yes | 100% | 155,136,028 | | `education[].field_of_study.cleaned` | string | Field of study cleaned value | Yes | 60% | 93,016,565 | | `education[].field_of_study.raw[]` | array | Field of study raw snippets | Yes | 60% | 93,016,596 | | `education[].start_date` | string | Education start date | Yes | 74% | 115,557,171 | | `education[].end_date` | string | Education end date | Yes | 76% | 118,434,042 | | `education[].current` | boolean | Whether currently enrolled (True=ongoing, False=completed, null=unknown) | Yes | 100% | 155,136,028 | | `socials[]` | array | Social links | No | 73% | 137,757,685 | | `socials[].network` | enum | Social network | No | 100% | 167,980,395 | | `socials[].url` | string | Social URL | No | 100% | 167,980,395 | | `socials[].id` | string | Social ID | Yes | 88% | 147,691,787 | | `socials[].username` | string | Social username | Yes | 100% | 167,980,395 | | `socials[].current` | boolean | Social is current | No | 100% | 167,980,395 | | `socials[].confidence` | enum | Social confidence bucket | No | 100% | 167,980,395 | | `socials[].num_sources` | integer | Number of sources that contributed to this social | No | 100% | 167,980,395 | | `socials[].last_seen` | string | Social last-seen date | Yes | 70% | 116,793,546 | | `num_sources` | integer | Number of data sources for this contact | No | 100% | 188,844,186 | | `current_jobs_last_updated` | string | Date when current job data last changed | Yes | 37% | 69,514,819 | | `current_jobs_last_confirmed` | string | Date when current job data was last confirmed | Yes | 37% | 69,514,819 | | `current_location_last_updated` | string | Date when current location data last changed | Yes | 75% | 142,304,685 | | `current_location_last_confirmed` | string | Date when current location data was last confirmed | Yes | 75% | 142,118,858 | | `last_seen` | string | Date when this record was last seen | Yes | 96% | 181,061,809 | | `build_version` | string | Build version identifier | No | 100% | 188,844,186 | ## Related Documentation * **[Schema Example](/docs/person-data/schema)** - See a complete example record * **[Field Reference](/docs/person-data/fields)** - Detailed descriptions of all fields * **[Enum Values](/docs/enums)** - All possible enum values * **[Array Ordering](/docs/data-standardization/array-ordering)** - How arrays are sorted * **[Data Quality](/docs/data-quality/overview)** - Learn about our quality processes