I have observed elections in the following countries.
        
        Russia – since 2011,
        
        Poland – 2018,
        
        Sweden  – 2019,
        
        Montenegro – 2020,
        
        Moldova – 2020,
        
        Kazakhstan – 2022,
        
        Slovakia – 2022,
        
        Estonia – 2023,
        
        Armenia – 2018, 2021, 2023,
        
        Turkey – 2023,
        
        Bulgaria – 2024 and
        
        Azerbaijan – 2024.
    
There were three types of observations: classical EOM with visiting PSs (STO or a part of CT), using data analysis only and using video only. Sometimes it is a mix of them, sometimes it's a disaster, like happened to be in Kazakhstan.