International Speaker Numbers according to EGIDS (Ethnologue / Glottolog)

Overall Speaker Number	Source
22 900	/

International Speaker Numbers according to UNESCO

Overall Speaker Number	Source
Site under maintenance (will be updated)	https://en.wal.unesco.org/world-atlas-languages

International Speaker Numbers according to ELCAT (Endangered Languages Project)

Overall Speaker Number	Source
22 900	https://endangeredlanguages.com/language-search-list?field_elp_country=All&field_region=All&field_speaker_number_range=All&search_api_fulltext=Lower+Silesian&sort_by=search_api_relevance&sort_order=DESC

National Speaker Numbers

Country	Language	National Speaker Number	Bases for Calculation	Year	Source
Czech Republic	Lower Silesian	10 900	Users	2001
Poland	Lower Silesian	12 000	Users	/

International Endangerment according to UNESCO

Endangerment Level	Source
Site under maintenance (will be updated)	https://en.wal.unesco.org/world-atlas-languages

International Endangerment according to ELCAT (Endangered Languages Project)

Endangerment Level	Source
Vulnerable	https://endangeredlanguages.com/language-search-list?field_elp_country=All&field_region=All&field_speaker_number_range=All&search_api_fulltext=Lower+Silesian&sort_by=search_api_relevance&sort_order=DESC

National Endangerment according to EGIDS (Ethnologue / Glottolog)

Country	Language	Endangerment Level	Source
Czech Republic	Lower Silesian	6a* (Vigorous)
Poland	Lower Silesian	6a* (Vigorous)

Non-ECRML in

Czech Republic

Poland