| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Citizen (Worker). |
| 1 |
19 |
Nat McCnaghty gain experience in a technical field as a computer operator or surveyor. |
| 2 |
22 |
Voluntarily left Worker |
| 2 |
22 |
Failed to qualify for Army Academy (Military Academy). |
| 2 |
22 |
Became a Drifter (Wanderer). |
| 2 |
24 |
Attempted a risky adventure and was sent to prison. |
| 3 |
26 |
Became a Prisoner (Inmate). |
| 3 |
28 |
Disgraced. Word of Nat McCnaghty's criminal past reaches Nat McCnaghty's homeworld. |
| 4 |
30 |
Continued as Prisoner (Inmate). |
| 4 |
34 |
Parole hearing. |
| 4 |
34 |
Paroled from prison. |