| British Phone Books, 1880-1984 | 278,407,890 |
| Spain, Phone Book Indexes, 1999 and 2001-2015 (in Spanish) | 273,036,648 |
| France, Phone Book Indexes, 1997 - 2007 (in French) | 272,943,618 |
| Italy, Phone Book Indexes, 2001, 2003, 2004, 2007, 2010, and 2011 (in Italian) | 134,007,168 |
| Sweden, Household Clerical Surveys, 1880-1896 (in Swedish) | 128,927,030 |
| Germany and Surrounding Areas, Address Books, 1815-1974 (in German) | 96,532,556 |
| Germany, Phone Book Indexes, 2001 and 2003 (in German) | 71,860,525 |
| Belgium, Phone Book Indexes, 1995, 1996, 1999, 2000, and 2002 - 2015 (in French) | 70,397,616 |
| German Phone Directories, 1915-1981 (in German) | 47,881,487 |
| UK, City and County Directories, 1766 - 1946 | 42,782,467 |
| Sweden, Church Records, 1451-1943 (in Swedish) | 38,916,264 |
| Netherlands, Phone Book Indexes, 1997, 2001, 2002, 2003, 2005 and 2011. (in Dutch) | 37,486,528 |
| UK, Phone Book Indexes, 2001 and 2003 | 25,993,597 |
| Finland, Communion Books, 1670-1917 (in Finnish) | 23,057,053 |
| Estonia, Lutheran Parish Registers, 1877-1912 (in Estonian) | 21,337,866 |
| Scotland, Postal Directories, 1825-1910 | 20,083,919 |
| London, England, City Directories, 1736-1943 | 19,793,623 |
| Free Access: Europe, Registration of Foreigners and German Persecutees, 1939-1947 (in German) | 19,420,808 |
| Ireland, City and Regional Directories, 1792-1949 | 13,489,492 |
| London, England, Workhouse Admission and Discharge Records, 1764-1921 | 10,098,399 |
| Denmark, Phone Book Indexes, 2001 and 2003 (in Danish) | 9,797,801 |
| UK, Midlands and Various UK Trade Directories, 1770-1941 | 8,555,301 |
| West Yorkshire, England, Church of England Births and Baptisms, 1813-1910 | 6,287,209 |
| Finland, Pre-Confirmation Books, 1670-1918 (in Finnish) | 5,558,755 |
| Manchester, England, Church of England Births and Baptisms, 1813-1915 | 5,070,679 |
| West Yorkshire, England, Church of England Baptisms, Marriages and Burials, 1512-1812 | 4,953,780 |
| Northamptonshire, England, Church of England Baptisms, Marriages and Burials, 1532-1812 | 4,135,217 |
| West Yorkshire, England, Church of England Marriages and Banns, 1813-1935 | 4,130,806 |
| Lancashire, England, Church of England Baptisms, Marriages and Burials, 1538-1812 | 4,013,193 |
| Gloucestershire, England, Church of England Baptisms, 1813-1913 | 3,163,228 |
| London, England, School Admissions and Discharges, 1840-1911 | 3,161,852 |
| UK and Ireland, Medical Registers, 1859-1943 | 2,991,949 |
| Birmingham, England, Church of England Baptisms, 1813-1922 | 2,943,642 |
| London, England, Church of England Deaths and Burials, 1813-2003 | 2,780,380 |
| Surrey, England, Church of England Baptisms, 1813-1921 | 2,586,430 |
| Warwickshire, England, Church of England Baptisms, Marriages, and Burials, 1535-1812 | 2,562,810 |
| Manchester, England, Church of England Baptisms, Marriages and Burials, 1541-1812 | 2,556,123 |
| Liverpool, England, Church of England Baptisms, 1813-1919 | 2,527,837 |
| U.K. and U.S. Directories, 1680-1830 | 2,518,462 |
| Manchester, England, Church of England Marriages and Banns, 1754-1930 | 2,428,779 |
| Northamptonshire, England, Church of England Baptisms, 1813-1912 | 2,323,156 |
| UK, Railway Employment Records, 1833-1956 | 2,041,650 |
| Ireland, Select Catholic Birth and Baptism Registers, 1763-1917 | 1,893,096 |
| Surrey, England, Church of England Baptisms, Marriages and Burials, 1538-1812 | 1,883,770 |
| Birmingham, England, Church of England Marriages and Banns, 1754-1939 | 1,740,297 |
| Halland, Sweden, Church Records, 1615-1860 (in Swedish) | 1,735,033 |
| England, United Grand Lodge of England Freemason Membership Registers, 1751-1921 | 1,713,246 |
| UK & Ireland, Nursing Registers, 1898-1968 | 1,600,730 |
| Liverpool, England, Church of England Marriages and Banns, 1754-1935 | 1,567,724 |
| Warwickshire, England, Church of England Baptisms, 1813-1910 | 1,515,334 |
| Northern Ireland, Street Directories, 1819-1900 | 1,508,227 |
| Gloucestershire, England, Church of England Marriages and Banns, 1754-1938 | 1,492,754 |
| UK, Postal Service Appointment Books, 1737-1969 | 1,466,970 |
| Ireland, Guinness Trade Ledgers, 1860-1960 | 1,452,426 |
| West Yorkshire, England, Church of England Deaths and Burials, 1813-1985 | 1,331,307 |
| Manchester, England, Church of England Deaths and Burials, 1813-1985 | 1,226,981 |
| Birmingham, England, Church of England Baptisms, Marriages and Burials, 1538-1812 | 1,219,917 |
| Surrey, England, Church of England Marriages and Banns, 1754-1937 | 1,197,098 |
| Yorkshire, England, Church of England Parish Records, 1538-1873 | 1,192,245 |
| UK, Register of Duties Paid for Apprentices' Indentures, 1710-1811 | 1,045,652 |
| Ireland, Jameson Distillery Staff Wage and Employment Books, 1862-1969 | 1,033,020 |
| UK & Ireland, Medical Directories, 1845-1942 | 994,038 |
| Western Ukraine, Ukraine, Catholic Church Book Duplicates, 1600-1937 (in Ukrainian) | 942,391 |
| Gloucestershire, England, Church of England Burials, 1813-1988 | 826,003 |
| Warwickshire, England, Church of England Marriages and Banns, 1754-1910 | 760,552 |
| Northamptonshire, England, Church of England Marriages, 1754-1912 | 733,877 |
| Aberdeenshire, Scotland, School Admission Registers, 1852-1927 | 711,807 |
| Luxembourg, Phone Book Indexes, 1997, 2001, 2002 and 2003 (in French) | 662,779 |
| Wigan, England, Church of England Baptisms, 1813-1911 | 658,125 |
| Mannheim, Germany, Family Registers, 1760-1900 (in German) | 645,440 |
| Örebro, Sweden, Church Records, 1635-1860 (in Swedish) | 610,788 |
| Web: Amsterdam, Netherlands, Population Index, 1780-1865 (in Dutch) | 606,000 |
| England & Wales, Quaker Birth, Marriage, and Death Registers, 1578-1837 | 586,018 |
| Surrey, England, Church of England Burials, 1813-1997 | 566,180 |
| Halle, Germany, Census and Citizen Lists, 1400-1915 (in German) | 564,034 |
| UK and Commonwealth, Law Examination Records, 1836-1947 | 537,286 |
| Birmingham, England, Church of England Burials, 1813-1964 | 536,245 |
| Poland, Lódz Jewish Ghetto Register Books, 1939-1944 (USHMM) (in German) | 530,660 |
| Södermanland, Sweden, Church Records, 1640-1860 (in Swedish) | 524,971 |
| Tyne and Wear, England, Non-Conformist Baptisms, Marriages and Burials, 1710-1960 | 512,140 |
| London, England, Poor Law School District Registers, 1852-1918 | 510,893 |
| Liverpool, England, Church of England Burials, 1813-1975 | 502,561 |
| Northamptonshire, England, Church of England Burials, 1813-1912 | 484,456 |
| Uppsala, Sweden, Church Records,1613-1860 (in Swedish) | 471,141 |
| London, England, Freedom of the City Admission Papers, 1681-1930 | 463,958 |
| Liverpool, England, Church of England Baptisms, Marriages and Burials, 1659-1812 | 453,278 |
| Manchester, England, Marriages and Banns, 1754-1930 (Cathedral) | 425,377 |
| West Yorkshire, England, Select Rate Books, Accounts and Censuses, 1705–1893 | 422,295 |
| U.K., City and County Directories, 1600s-1900s | 404,728 |
| Ireland, Select Catholic Marriage Registers, 1778-1942 | 401,657 |
| UK, The Midwives Roll, 1904-1959 | 398,334 |
| Erfurt, Germany, House Lists, 1859-1872 (in German) | 395,758 |
| Manchester, England, Baptisms, Marriages and Burials, 1573-1812 (Cathedral) | 376,533 |
| UK, Apprentices Indentured in Merchant Navy, 1824-1910 | 342,282 |
| East Europe, Registers and Listings from Ten Jewish Ghettos, 1939-1942 | 339,488 |
| London, England, Poor Law and Board of Guardian Records, 1738-1926 | 319,763 |
| Ireland, Grand Lodge of Freemasons of Ireland Membership Registers, 1733-1923 | 318,964 |
| Manchester, England, Births and Baptisms, 1813-1901 (Cathedral) | 282,956 |
| Warwickshire, England, Occupational and Quarter Session Records, 1662-1866 | 282,680 |
| UK and Ireland, Masters and Mates Certificates, 1850-1927 | 281,933 |