In census people can leave the "nationality" field empty and they can also write down any nationality or ethnicity they want. Most Romani people fill in the Czech nationality. Thus, the real number of Romani people in the country is estimated to be around 220,000. Petr Lhotka: Romové v České republice po roce 1989Archived 20 February 2007 at the Wayback Machine
In census people can leave the "nationality" field empty and they can also write down any nationality or ethnicity they want. Most Romani people fill in the Czech nationality. Thus, the real number of Romani people in the country is estimated to be around 220,000. Petr Lhotka: Romové v České republice po roce 1989Archived 20 February 2007 at the Wayback Machine