> ## Documentation Index > Fetch the complete documentation index at: https://docs.peopledatalabs.com/llms.txt > Use this file to discover all available pages before exploring further. # Developer Stats ## Description The Developer Slice Dataset is a subset of our full [Person Dataset](/docs/stats) and is composed of all the records containing a GitHub URL. The table below summarizes some key statistics and fill rates for fields within this dataset. Premium fields are not accessible by default. **Common Use Cases** *Recruiting, Investment Sourcing* | Field | Count | Numeric | Fill Percentage | | ----------------------------------------------------- | --------- | ------- | --------------- | | `Total` | 4,085,892 | 4085892 | 100.0% | | `activity_score` | 1,660,265 | 1660265 | 40.6% | | `activity_score_factors` | 1,660,265 | 1660265 | 40.6% | | `activity_score_factors.connection_change` | 1,660,265 | 1660265 | 40.6% | | `activity_score_factors.months_since_last_end_resume` | 181,895 | 181895 | 4.5% | | `activity_score_factors.profile_change` | 1,660,265 | 1660265 | 40.6% | | `birth_date` | 81,988 | 81988 | 2.0% | | `birth_year` | 176,874 | 176874 | 4.3% | | `certifications` | 940,899 | 940899 | 23.0% | | `certifications.end_date` | 807,831 | 807831 | 19.8% | | `certifications.name` | 940,899 | 940899 | 23.0% | | `certifications.organization` | 937,783 | 937783 | 23.0% | | `certifications.start_date` | 893,731 | 893731 | 21.9% | | `countries` | 2,835,673 | 2835673 | 69.4% | | `education` | 1,684,273 | 1684273 | 41.2% | | `education.degrees` | 1,241,122 | 1241122 | 30.4% | | `education.end_date` | 1,584,733 | 1584733 | 38.8% | | `education.gpa` | 131,766 | 131766 | 3.2% | | `education.majors` | 1,355,385 | 1355385 | 33.2% | | `education.minors` | 16,736 | 16736 | 0.4% | | `education.raw` | 1,614,768 | 1614768 | 39.5% | | `education.school` | 1,683,585 | 1683585 | 41.2% | | `education.school.domain` | 1,616,494 | 1616494 | 39.6% | | `education.school.facebook_url` | 1,248,663 | 1248663 | 30.6% | | `education.school.id` | 1,645,536 | 1645536 | 40.3% | | `education.school.linkedin_id` | 1,645,536 | 1645536 | 40.3% | | `education.school.linkedin_url` | 1,645,536 | 1645536 | 40.3% | | `education.school.location` | 1,623,070 | 1623070 | 39.7% | | `education.school.location.continent` | 1,623,070 | 1623070 | 39.7% | | `education.school.location.country` | 1,623,065 | 1623065 | 39.7% | | `education.school.location.locality` | 1,581,231 | 1581231 | 38.7% | | `education.school.location.name` | 1,623,070 | 1623070 | 39.7% | | `education.school.location.region` | 1,610,549 | 1610549 | 39.4% | | `education.school.name` | 1,683,381 | 1683381 | 41.2% | | `education.school.raw` | 1,680,104 | 1680104 | 41.1% | | `education.school.twitter_url` | 1,185,497 | 1185497 | 29.0% | | `education.school.type` | 1,669,208 | 1669208 | 40.9% | | `education.school.website` | 1,616,494 | 1616494 | 39.6% | | `education.start_date` | 1,580,371 | 1580371 | 38.7% | | `education.summary` | 766,746 | 766746 | 18.8% | | `emails` | 2,684,187 | 2684187 | 65.7% | | `emails.address` | 2,684,187 | 2684187 | 65.7% | | `emails.first_seen` | 2,684,187 | 2684187 | 65.7% | | `emails.last_seen` | 2,684,187 | 2684187 | 65.7% | | `emails.md5_hash` | 2,684,187 | 2684187 | 65.7% | | `emails.num_sources` | 2,684,187 | 2684187 | 65.7% | | `emails.sha_256_hash` | 2,684,187 | 2684187 | 65.7% | | `emails.type` | 2,338,204 | 2338204 | 57.2% | | `experience` | 1,913,506 | 1913506 | 46.8% | | `experience.company` | 1,902,372 | 1902372 | 46.6% | | `experience.company.facebook_url` | 1,462,268 | 1462268 | 35.8% | | `experience.company.founded` | 1,665,864 | 1665864 | 40.8% | | `experience.company.id` | 1,734,001 | 1734001 | 42.4% | | `experience.company.industry` | 1,725,226 | 1725226 | 42.2% | | `experience.company.industry_v2` | 1,720,629 | 1720629 | 42.1% | | `experience.company.linkedin_id` | 1,734,001 | 1734001 | 42.4% | | `experience.company.linkedin_url` | 1,734,001 | 1734001 | 42.4% | | `experience.company.location` | 1,718,150 | 1718150 | 42.1% | | `experience.company.location.address_line_2` | 633,748 | 633748 | 15.5% | | `experience.company.location.continent` | 1,717,247 | 1717247 | 42.0% | | `experience.company.location.country` | 1,718,150 | 1718150 | 42.1% | | `experience.company.location.geo` | 1,686,733 | 1686733 | 41.3% | | `experience.company.location.locality` | 1,694,532 | 1694532 | 41.5% | | `experience.company.location.metro` | 948,000 | 948000 | 23.2% | | `experience.company.location.name` | 1,718,150 | 1718150 | 42.1% | | `experience.company.location.postal_code` | 1,583,532 | 1583532 | 38.8% | | `experience.company.location.region` | 1,705,760 | 1705760 | 41.7% | | `experience.company.location.street_address` | 1,506,682 | 1506682 | 36.9% | | `experience.company.name` | 1,902,372 | 1902372 | 46.6% | | `experience.company.raw` | 1,902,370 | 1902370 | 46.6% | | `experience.company.size` | 1,734,001 | 1734001 | 42.4% | | `experience.company.ticker` | 647,073 | 647073 | 15.8% | | `experience.company.twitter_url` | 1,315,231 | 1315231 | 32.2% | | `experience.company.type` | 1,734,001 | 1734001 | 42.4% | | `experience.company.website` | 1,701,817 | 1701817 | 41.7% | | `experience.end_date` | 1,494,412 | 1494412 | 36.6% | | `experience.first_seen` | 1,913,506 | 1913506 | 46.8% | | `experience.is_primary` | 1,913,506 | 1913506 | 46.8% | | `experience.last_seen` | 1,913,506 | 1913506 | 46.8% | | `experience.location_names` | 1,383,883 | 1383883 | 33.9% | | `experience.num_sources` | 1,913,506 | 1913506 | 46.8% | | `experience.start_date` | 1,628,644 | 1628644 | 39.9% | | `experience.summary` | 1,345,645 | 1345645 | 32.9% | | `experience.title` | 1,686,345 | 1686345 | 41.3% | | `experience.title.class` | 1,610,295 | 1610295 | 39.4% | | `experience.title.levels` | 1,171,194 | 1171194 | 28.7% | | `experience.title.name` | 1,686,345 | 1686345 | 41.3% | | `experience.title.raw` | 1,686,345 | 1686345 | 41.3% | | `experience.title.role` | 1,610,295 | 1610295 | 39.4% | | `experience.title.sub_role` | 1,495,489 | 1495489 | 36.6% | | `facebook_friends` | 85,154 | 85154 | 2.1% | | `facebook_id` | 348,809 | 348809 | 8.5% | | `facebook_url` | 538,640 | 538640 | 13.2% | | `facebook_username` | 538,640 | 538640 | 13.2% | | `first_name` | 4,085,892 | 4085892 | 100.0% | | `first_seen` | 4,085,892 | 4085892 | 100.0% | | `full_name` | 4,085,892 | 4085892 | 100.0% | | `github_url` | 4,085,892 | 4085892 | 100.0% | | `github_username` | 4,085,892 | 4085892 | 100.0% | | `headline` | 1,437,959 | 1437959 | 35.2% | | `id` | 4,085,892 | 4085892 | 100.0% | | `industry` | 1,376,835 | 1376835 | 33.7% | | `inferred_salary` | 1,215,354 | 1215354 | 29.7% | | `inferred_years_experience` | 1,598,396 | 1598396 | 39.1% | | `interests` | 423,915 | 423915 | 10.4% | | `job_company_12mo_employee_growth_rate` | 1,252,775 | 1252775 | 30.7% | | `job_company_employee_count` | 1,263,133 | 1263133 | 30.9% | | `job_company_facebook_url` | 716,896 | 716896 | 17.5% | | `job_company_founded` | 1,081,060 | 1081060 | 26.5% | | `job_company_id` | 1,263,221 | 1263221 | 30.9% | | `job_company_industry` | 1,240,207 | 1240207 | 30.4% | | `job_company_industry_v2` | 1,247,518 | 1247518 | 30.5% | | `job_company_inferred_revenue` | 1,263,133 | 1263133 | 30.9% | | `job_company_linkedin_id` | 1,263,221 | 1263221 | 30.9% | | `job_company_linkedin_url` | 1,263,221 | 1263221 | 30.9% | | `job_company_location_address_line_2` | 160,671 | 160671 | 3.9% | | `job_company_location_continent` | 1,196,233 | 1196233 | 29.3% | | `job_company_location_country` | 1,199,362 | 1199362 | 29.4% | | `job_company_location_geo` | 1,125,895 | 1125895 | 27.6% | | `job_company_location_locality` | 1,143,968 | 1143968 | 28.0% | | `job_company_location_metro` | 483,304 | 483304 | 11.8% | | `job_company_location_name` | 1,199,378 | 1199378 | 29.4% | | `job_company_location_postal_code` | 880,856 | 880856 | 21.6% | | `job_company_location_region` | 1,176,750 | 1176750 | 28.8% | | `job_company_location_street_address` | 801,845 | 801845 | 19.6% | | `job_company_name` | 1,395,464 | 1395464 | 34.2% | | `job_company_size` | 1,263,221 | 1263221 | 30.9% | | `job_company_ticker` | 230,713 | 230713 | 5.6% | | `job_company_total_funding_raised` | 438,011 | 438011 | 10.7% | | `job_company_twitter_url` | 596,046 | 596046 | 14.6% | | `job_company_type` | 1,263,221 | 1263221 | 30.9% | | `job_company_website` | 1,187,995 | 1187995 | 29.1% | | `job_history` | 1,913,606 | 1913606 | 46.8% | | `job_history.company_id` | 1,744,295 | 1744295 | 42.7% | | `job_history.company_name` | 1,904,015 | 1904015 | 46.6% | | `job_history.first_seen` | 1,913,606 | 1913606 | 46.8% | | `job_history.last_seen` | 1,913,606 | 1913606 | 46.8% | | `job_history.num_sources` | 1,913,606 | 1913606 | 46.8% | | `job_history.title` | 1,686,450 | 1686450 | 41.3% | | `job_last_changed` | 1,424,981 | 1424981 | 34.9% | | `job_last_verified` | 1,424,981 | 1424981 | 34.9% | | `job_onet_broad_occupation` | 796,101 | 796101 | 19.5% | | `job_onet_code` | 796,101 | 796101 | 19.5% | | `job_onet_major_group` | 796,101 | 796101 | 19.5% | | `job_onet_minor_group` | 796,101 | 796101 | 19.5% | | `job_onet_specific_occupation` | 796,101 | 796101 | 19.5% | | `job_onet_specific_occupation_detail` | 543,382 | 543382 | 13.3% | | `job_start_date` | 1,407,979 | 1407979 | 34.5% | | `job_summary` | 627,939 | 627939 | 15.4% | | `job_title` | 1,424,580 | 1424580 | 34.9% | | `job_title_class` | 1,234,483 | 1234483 | 30.2% | | `job_title_levels` | 611,503 | 611503 | 15.0% | | `job_title_role` | 1,234,483 | 1234483 | 30.2% | | `job_title_sub_role` | 892,118 | 892118 | 21.8% | | `languages` | 898,680 | 898680 | 22.0% | | `languages.name` | 898,680 | 898680 | 22.0% | | `languages.proficiency` | 710,422 | 710422 | 17.4% | | `last_initial` | 4,085,892 | 4085892 | 100.0% | | `last_name` | 4,083,850 | 4083850 | 100.0% | | `linkedin_connections` | 1,361,577 | 1361577 | 33.3% | | `linkedin_id` | 1,564,972 | 1564972 | 38.3% | | `linkedin_url` | 1,743,324 | 1743324 | 42.7% | | `linkedin_username` | 1,743,324 | 1743324 | 42.7% | | `location_address_line_2` | 44,518 | 44518 | 1.1% | | `location_continent` | 2,836,364 | 2836364 | 69.4% | | `location_country` | 2,835,607 | 2835607 | 69.4% | | `location_geo` | 2,287,661 | 2287661 | 56.0% | | `location_last_updated` | 1,690,155 | 1690155 | 41.4% | | `location_locality` | 2,323,481 | 2323481 | 56.9% | | `location_metro` | 730,486 | 730486 | 17.9% | | `location_name` | 2,836,364 | 2836364 | 69.4% | | `location_names` | 2,352,769 | 2352769 | 57.6% | | `location_postal_code` | 212,344 | 212344 | 5.2% | | `location_region` | 2,512,821 | 2512821 | 61.5% | | `location_street_address` | 225,361 | 225361 | 5.5% | | `middle_initial` | 654,244 | 654244 | 16.0% | | `middle_name` | 520,208 | 520208 | 12.7% | | `mobile_phone` | 356,366 | 356366 | 8.7% | | `name_aliases` | 430,326 | 430326 | 10.5% | | `num_records` | 4,085,892 | 4085892 | 100.0% | | `num_sources` | 4,085,892 | 4085892 | 100.0% | | `personal_emails` | 1,978,966 | 1978966 | 48.4% | | `phone_numbers` | 556,735 | 556735 | 13.6% | | `phones` | 556,735 | 556735 | 13.6% | | `phones.first_seen` | 556,735 | 556735 | 13.6% | | `phones.last_seen` | 556,735 | 556735 | 13.6% | | `phones.num_sources` | 556,735 | 556735 | 13.6% | | `phones.number` | 556,735 | 556735 | 13.6% | | `possible_birth_dates` | 100,281 | 100281 | 2.5% | | `possible_emails` | 587,417 | 587417 | 14.4% | | `possible_emails.address` | 587,417 | 587417 | 14.4% | | `possible_emails.first_seen` | 587,417 | 587417 | 14.4% | | `possible_emails.last_seen` | 587,417 | 587417 | 14.4% | | `possible_emails.md5_hash` | 587,417 | 587417 | 14.4% | | `possible_emails.num_sources` | 587,417 | 587417 | 14.4% | | `possible_emails.sha_256_hash` | 587,417 | 587417 | 14.4% | | `possible_emails.type` | 455,975 | 455975 | 11.2% | | `possible_location_names` | 1,616,604 | 1616604 | 39.6% | | `possible_phones` | 142,678 | 142678 | 3.5% | | `possible_phones.first_seen` | 142,678 | 142678 | 3.5% | | `possible_phones.last_seen` | 142,678 | 142678 | 3.5% | | `possible_phones.num_sources` | 142,678 | 142678 | 3.5% | | `possible_phones.number` | 142,678 | 142678 | 3.5% | | `possible_profiles` | 658,366 | 658366 | 16.1% | | `possible_profiles.first_seen` | 658,366 | 658366 | 16.1% | | `possible_profiles.id` | 124,798 | 124798 | 3.1% | | `possible_profiles.last_seen` | 658,366 | 658366 | 16.1% | | `possible_profiles.network` | 658,366 | 658366 | 16.1% | | `possible_profiles.num_sources` | 658,366 | 658366 | 16.1% | | `possible_profiles.url` | 658,366 | 658366 | 16.1% | | `possible_profiles.username` | 647,341 | 647341 | 15.8% | | `possible_street_addresses` | 66,214 | 66214 | 1.6% | | `possible_street_addresses.address_line_2` | 17,946 | 17946 | 0.4% | | `possible_street_addresses.continent` | 66,214 | 66214 | 1.6% | | `possible_street_addresses.country` | 66,214 | 66214 | 1.6% | | `possible_street_addresses.first_seen` | 66,214 | 66214 | 1.6% | | `possible_street_addresses.geo` | 66,207 | 66207 | 1.6% | | `possible_street_addresses.last_seen` | 66,214 | 66214 | 1.6% | | `possible_street_addresses.locality` | 66,211 | 66211 | 1.6% | | `possible_street_addresses.metro` | 60,616 | 60616 | 1.5% | | `possible_street_addresses.name` | 66,214 | 66214 | 1.6% | | `possible_street_addresses.num_sources` | 66,214 | 66214 | 1.6% | | `possible_street_addresses.postal_code` | 65,848 | 65848 | 1.6% | | `possible_street_addresses.region` | 66,212 | 66212 | 1.6% | | `possible_street_addresses.street_address` | 66,214 | 66214 | 1.6% | | `profile_score` | 1,722,901 | 1722901 | 42.2% | | `profile_score_factors` | 1,722,901 | 1722901 | 42.2% | | `profile_score_factors.attribute_fill_rate` | 1,722,901 | 1722901 | 42.2% | | `profile_score_factors.has_valid_url` | 1,722,901 | 1722901 | 42.2% | | `profile_score_factors.meets_connection_threshold` | 1,722,901 | 1722901 | 42.2% | | `profile_score_factors.profile_age_months` | 1,722,901 | 1722901 | 42.2% | | `profiles` | 4,085,892 | 4085892 | 100.0% | | `profiles.first_seen` | 4,085,892 | 4085892 | 100.0% | | `profiles.id` | 3,088,603 | 3088603 | 75.6% | | `profiles.last_seen` | 4,085,892 | 4085892 | 100.0% | | `profiles.network` | 4,085,892 | 4085892 | 100.0% | | `profiles.num_sources` | 4,085,892 | 4085892 | 100.0% | | `profiles.url` | 4,085,892 | 4085892 | 100.0% | | `profiles.username` | 4,085,892 | 4085892 | 100.0% | | `recommended_personal_email` | 1,978,810 | 1978810 | 48.4% | | `regions` | 2,547,966 | 2547966 | 62.4% | | `sex` | 2,929,741 | 2929741 | 71.7% | | `skills` | 1,449,783 | 1449783 | 35.5% | | `street_addresses` | 313,820 | 313820 | 7.7% | | `street_addresses.address_line_2` | 160,795 | 160795 | 3.9% | | `street_addresses.continent` | 313,820 | 313820 | 7.7% | | `street_addresses.country` | 313,820 | 313820 | 7.7% | | `street_addresses.first_seen` | 313,820 | 313820 | 7.7% | | `street_addresses.geo` | 307,131 | 307131 | 7.5% | | `street_addresses.last_seen` | 313,820 | 313820 | 7.7% | | `street_addresses.locality` | 308,332 | 308332 | 7.5% | | `street_addresses.metro` | 279,711 | 279711 | 6.8% | | `street_addresses.name` | 313,820 | 313820 | 7.7% | | `street_addresses.num_sources` | 313,820 | 313820 | 7.7% | | `street_addresses.postal_code` | 286,796 | 286796 | 7.0% | | `street_addresses.region` | 308,930 | 308930 | 7.6% | | `street_addresses.street_address` | 313,820 | 313820 | 7.7% | | `summary` | 1,371,496 | 1371496 | 33.6% | | `twitter_url` | 720,137 | 720137 | 17.6% | | `twitter_username` | 720,137 | 720137 | 17.6% | | `work_email` | 532,352 | 532352 | 13.0% | *Stats shown are accurate as of data version 35.0* ## Related topics - [Person Stats](/docs/datasets.md) - [Input Parameters - Person Search API](/docs/input-parameters-person-search-api.md) - [IP Stats](/docs/ip-stats.md) - [Company Stats](/docs/company-stats.md) - [Email Stats](/docs/email-stats.md)