No, they would take whatever the value is of their accumulated rights—for example, a pension. If you earned a pension, if you worked in a country for 10 years and contributed to the pension system, you would be able to take with you when you return, if there's an agreement between the countries, the value of your pension back to your country of origin. It's only what you have earned based on your own contributions.
On November 22nd, 2018. See this statement in context.