Legislative Assembly Kuwait, Municipal Council Nigeria Kaduna, Local Government Councils and Chairmen Oyo, Local Government Councils and Chairmen 13 May: Italy, Friuli Venezia Giulia, Mayors and Municipal Councils (2nd round) 14 May: India, West Bengal, District Councils, Township Councils and Village Councils Philippines, Ward Chairs, Ward Councils, Youth Chairs and Youth Councils 15 May: Bangladesh, Khulna, Mayor and City Corporation United States Idaho, Supreme Court and Court of Appeals Portland, City Commission (1st round) 18–19 May: Czech Republic, Zlín district 78, Senate (1st round) 20 May: Italy, Aosta Valley, Regional Council, Mayors and Municipal Councils Montenegro, Municipal Assemblies Tunisia, 22 May: United States Arkansas, Supreme Court and Court of Appeals Georgia, Supreme Court and Court of Appeals 23 May: Solomon Islands, Gizo/Kolombangara, National Parliament by-election 24 May: United States, Nashville, Mayor 25–26 May: Czech Republic, Zlín district 78, Senate (2nd round) 26 May: Iceland, Municipal Councils Nigeria, Nasarawa, Local Government Councils and Chairmen 27 May: Italy, Trentino-Alto Adige/Südtirol, Mayors and Municipal Councils Montenegro, Municipal Assemblies Podgorica, City Assembly 28 May: India, Bhandara–Gondiya, Kairana, Nagaland and Palghar, House of the People June 3 June: Brazil, Tocantins, Governor by-election (1st round) 5 June: United States Fresno, City Council (1st round) Long Beach, City Council (2nd round) Los Angeles County, Board of Supervisors Orange County, CA, Board of Supervisors and District Attorney (1st round) Riverside County, Board of Supervisors (1st round) Sacramento, City Council San Bernardino County, Board of Supervisors San Diego County, Board of Supervisors (1st round) San Francisco, Mayor Santa Clara County, Board of Supervisors (1st round) San Jose, Mayor and City Council (1st round) 7 June: Bermuda, Warwick North East, House of Assembly by-election Canada, Ontario, Legislative Assembly 9 June: New Zealand, Northcote, House of Representatives by-election 10 June: Armenia, Mayors, Local Councils and Community Chiefs Italy, Mayors and Municipal Councils (1st round) Japan, Niigata, Governor Switzerland Basel-Landschaft, Basel-Stadt, referendums Fribourg, Geneva, referendums Glarus, Landrat Grisons, Executive Council and Grand Council (1st round) Jura, referendums Lucerne, Nidwalden, referendum Schaffhausen, referendums Schwyz, Solothurn, St. Gallen, Valais, referendum Zug, Zürich, 12 June: United States, Maine, Ranked-Choice Voting referendum 13 June: South Korea, Busan Haeundae B, Cheonan A, Cheonan C, Gimcheon, Gimhae B, Gwangju Seo A, Incheon Namdong A, Jecheon–Danyang, Seoul Nowon C, Seoul Songpa B, Ulsan Buk and Yeongam–Muan–Sinan, National Assembly by-elections Governors, Provincial Councils, Mayors, Municipal Councils and School Boards Busan, Incheon, Seoul, Mayor 14 June: United Kingdom, Lewisham East, House