| 1 |
Outer Space Treaty |
 |
Afghanistan |
|
Ratified |
| London |
- |
03/17/1988 |
| Moscow |
01/30/1967 |
03/17/1988 |
| Washington |
01/27/1967 |
03/21/1988 |
| UN |
- |
- |
|
|
| 2 |
Outer Space Treaty |
 |
Algeria |
|
Acceded |
| London |
- |
- |
| Moscow |
- |
- |
| Washington |
- |
01/27/1992 |
| UN |
- |
- |
|
|
| 3 |
Outer Space Treaty |
 |
Antigua and Barbuda |
|
Succeeded |
| London |
- |
01/26/1989 |
| Moscow |
- |
12/26/1988 |
| Washington |
- |
11/16/1988 |
| UN |
- |
- |
|
- |
| 4 |
Outer Space Treaty |
 |
Argentina |
|
Ratified |
| London |
- |
- |
| Moscow |
04/18/1967 |
03/26/1969 |
| Washington |
01/27/1967 |
03/26/1969 |
| UN |
- |
- |
|
|
| 5 |
Outer Space Treaty |
 |
Australia |
|
Ratified |
| London |
- |
10/10/1967 |
| Moscow |
- |
10/10/1967 |
| Washington |
01/27/1967 |
10/10/1967 |
| UN |
- |
- |
|
|
| 6 |
Outer Space Treaty |
 |
Albania |
|
Non-party |
| London |
- |
- |
| Moscow |
- |
- |
| Washington |
- |
- |
| UN |
- |
- |
|
|
| 7 |
Outer Space Treaty |
 |
Andorra |
|
Non-party |
| London |
- |
- |
| Moscow |
- |
- |
| Washington |
- |
- |
| UN |
- |
- |
|
|
| 8 |
Outer Space Treaty |
 |
Angola |
|
Non-party |
| London |
- |
- |
| Moscow |
- |
- |
| Washington |
- |
- |
| UN |
- |
- |
|
|
| 9 |
Outer Space Treaty |
 |
Armenia |
|
Non-party |
| London |
- |
- |
| Moscow |
- |
- |
| Washington |
- |
- |
| UN |
- |
- |
|
|
| 10 |
Outer Space Treaty |
 |
Austria |
|
Ratified |
| London |
02/20/1967 |
02/26/1968 |
| Moscow |
02/20/1967 |
02/26/1968 |
| Washington |
02/20/1967 |
02/26/1968 |
| UN |
- |
- |
|
|