Every one (most of) has a future plan, what they might do in future. Some wants to go abroad, may be for education or settlement. If you are planning to go abroad, then you might collect a set of papers, which might be needed to almost every country. Like,
1. All educational documents (in English)
2. All experience documents.
3. IELTS result or letter from employee that you worked and used English (reading, writing, listening, speaking.) or training on English Language.
6. Funds, documents of funds.
7. Birth certificates
8. Marriage certificates
9. National ID card
.Driving licence etc.