| Title | Category | Subcategory | Records |
|---|---|---|---|
| 1861 England, Wales & Scotland Census | Census, Land & Surveys | Census | 22,615,900 |
| 1851 England, Wales & Scotland Census | Census, Land & Surveys | Census | 20,723,481 |
| US Census 1850 | Census, Land & Surveys | Census | 20,458,406 |
| 1841 England, Wales & Scotland Census | Census, Land & Surveys | Census | 18,436,554 |
| Canada Census 1911 | Census, Land & Surveys | Census | 7,157,334 |
| Canada Census 1901 | Census, Land & Surveys | Census | 5,167,205 |
| Canada Census 1891 | Census, Land & Surveys | Census | 4,539,639 |
| Ireland Census 1901 | Census, Land & Surveys | Census | 4,398,289 |
| Ireland Census 1911 | Census, Land & Surveys | Census | 4,390,240 |
| Canada Census 1881 | Census, Land & Surveys | Census | 4,273,931 |
| Canada Census 1871 | Census, Land & Surveys | Census | 3,292,788 |
| Canada Census 1861 | Census, Land & Surveys | Census | 2,764,253 |
| US Census 1840 | Census, Land & Surveys | Census | 2,563,202 |
| Florida State Census 1945 | Census, Land & Surveys | Census | 2,249,138 |
| Minnesota State Census 1905 | Census, Land & Surveys | Census | 1,973,884 |
| US Census 1830 | Census, Land & Surveys | Census | 1,822,497 |
| Florida State Census 1935 | Census, Land & Surveys | Census | 1,599,085 |
| Canada Census 1851 | Census, Land & Surveys | Census | 1,364,597 |
| US Census 1820 | Census, Land & Surveys | Census | 1,221,602 |
| 1890 U.S. Census, Civil War Union Veterans and Widows | Census, Land & Surveys | Census | 887,222 |