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Business Description (Details) | Dec. 31, 2022 employees | Dec. 31, 2022 franchisedandcompanyownedoffices | Dec. 31, 2022 Countries | Dec. 31, 2022 Brokerage_Offices | Dec. 31, 2021 franchisedandcompanyownedoffices | Dec. 31, 2020 franchisedandcompanyownedoffices | Dec. 31, 2019 franchisedandcompanyownedoffices
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Number of Countries in which Entity Operates | Countries |  |  | 119 |  |  |  |
Owned Brokerage Group |  |  |  |  |  |  |
Number of Independent Sales Associates | 59,800 |  |  |  |  |  |
Number of offices |  | 679 |  | 680 | 675 | 673 | 713
Worldwide | Franchise and Owned Brokerage Groups |  |  |  |  |  |  |
Number of Independent Sales Associates | 337,400 |  |  |  |  |  |
Number of offices | franchisedandcompanyownedoffices |  | 20,500 |  |  |  |  |
United States | Franchise and Owned Brokerage Groups |  |  |  |  |  |  |
Number of Independent Sales Associates | 195,000 |  |  |  |  |  |
Number of offices | Brokerage_Offices |  |  |  | 5,700 |  |  |

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