USCIS AAO Dataset
Dataset explorer for schema metadata, statistics, and downloads.
Whole Set Cases
242
The full USCIS AAO set
Selected Set
Not-Hard
214 cases ยท 88.43%
Content Scope
Schema + Stats
Raw cases are available through zip downloads
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JSON Structure
7 keys{
"id": "uscis_xxxxxxxx",
"text": "Case text",
"statutes": "Statutes and legal standards text",
"question": "Should this case be accepted or dismissed?",
"label": "Accepted | Dismissed",
"reference_prolog": "Reference Prolog program",
"case_number": "APR092024_01E2309"
}Field Metadata
Current Dataset
id
string
Standard Value
Stable internal case identifier.
Description
Unique identifier for the case record in this dataset.
text
string
Standard Value
Free-form case text.
Description
The case narrative text used as the case/facts content in this dataset.
statutes
string
Standard Value
Free-form statutes and legal standards text.
Description
The statutes, legal standards, and supporting rule text paired with the case text.
question
string
Standard Value
Should this case be accepted or dismissed?
Description
The target decision question associated with the case record.
label
string
Standard Value
Accepted | Dismissed
Description
The decision label for the case.
reference_prolog
string
Standard Value
Executable Prolog reference program text.
Description
The reference Prolog program associated with the case record.
case_number
string
Standard Value
AAO case number string with embedded year.
Description
The published AAO case number used for case identification and year extraction.
Not-Hard Stats
214 cases
88.43%
Outcome Labels
Accepted
50.00%
107
Dismissed
50.00%
107
Years
2023
6.07%
13
2024
82.71%
177
2025
11.21%
24
| Year | Total | Accepted | Dismissed |
|---|---|---|---|
| 2023 | 13 |
13
100.00%
|
0
0.00%
|
| 2024 | 177 |
70
39.55%
|
107
60.45%
|
| 2025 | 24 |
24
100.00%
|
0
0.00%
|
| Metric | n | Min | P25 | Median | Mean | P75 | Max |
|---|---|---|---|---|---|---|---|
| Case Char Count | 214 | 485 | 1,554 | 1,970.50 | 2,090.92 | 2,578.25 | 4,363 |
| Case Paragraph Count | 214 | 1 | 1 | 3 | 2.61 | 3 | 12 |
| Case Sentence Count | 214 | 3 | 8 | 11 | 10.83 | 13 | 26 |
| Case Word Count | 214 | 75 | 235 | 308 | 318.96 | 391 | 664 |
| Statutes Char Count | 214 | 402 | 1,323 | 1,827 | 1,961.51 | 2,331 | 6,574 |
| Statutes Paragraph Count | 214 | 1 | 2 | 2 | 1.87 | 2 | 4 |
| Statutes Sentence Count | 214 | 3 | 11.25 | 17 | 19.24 | 23 | 75 |
| Statutes Word Count | 214 | 61 | 205.25 | 275 | 306.52 | 357.25 | 1,060 |
| Case + Statutes Char Count | 214 | 1,333 | 3,051.75 | 3,943 | 4,054.43 | 4,784.75 | 10,185 |
| Case + Statutes Paragraph Count | 214 | 2 | 3 | 4 | 4.48 | 5 | 14 |
| Case + Statutes Sentence Count | 214 | 6 | 22 | 28.50 | 30.01 | 35 | 85 |
| Case + Statutes Word Count | 214 | 202 | 467.50 | 599 | 625.49 | 729.25 | 1,498 |