A spouse and unmarried children under twenty-one may generally be included as derivatives. Age is measured under the governing rules rather than by calendar arithmetic alone, so a child close to the limit deserves specific advice early in the process.
Identify the age risk at the start, not at the interview
Families frequently plan around a child's current age and discover that timelines are longer than expected. Raise any child approaching twenty-one with counsel at the first meeting, because the analysis of how age is calculated in these cases is technical, depends on the specific filing history, and can influence how quickly the family wants to move. Note also that derivative status is not the same as an independent route: a child who ages out is not simply moved to another queue automatically. Spouses included as derivatives obtain their status through the principal, and conditional permanent residence and its two-year period apply to the family as well, which matters when planning schooling, travel and any later filings.
Hypothetical example: Imani, a dental-laboratory owner, needs to decide whether her twenty-year-old son will remain eligible through processing. The family should record the petition date, visa availability, the child’s exact age and marital status, and obtain advice on any Child Status Protection Act calculation without assuming that filing freezes age indefinitely. EB-5 derivatives are the investor’s spouse and unmarried children under twenty-one, and all receive conditional residence with the principal if eligible. Birth and marriage records should be secured before visa processing. If the son may not remain protected, an independent plan belongs on the timeline before capital is committed, not after the family learns that petition approval alone did not resolve age.