Population Counter ordering problem

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;


class Population_Counter
{
    static void Main()
    {
        Dictionary<string, Dictionary<string, int>> populations = new Dictionary<string, Dictionary<string, int>>();

        string city = "";
        string country = "";
        int population = 0;
        while (true)
        {
            List<string> data = Console.ReadLine().Split('|').ToList();
            city = data[0];
            if (city == "report") break;
            country = data[1];
            population = int.Parse(data[2]);
            Dictionary<string, int> cityPopulation = new Dictionary<string, int>();
            cityPopulation[city] = population;
            if (!populations.ContainsKey(country))
            {
                populations[country] = cityPopulation;
            }
            else
            {
                populations[country].Add(city,population);
            }
        }

        foreach (var state in populations.OrderByDescending(x=>x.Key))
        {
            List<int> sumOfTowns = state.Value.Select(x => x.Value).ToList();
            Console.WriteLine($"{state.Key} (total population: {sumOfTowns.Sum()})");
            Console.Write($"=>{string.Join("=>", state.Value.Select(x => $"{x.Key}: {x.Value}\r\n").OrderByDescending(x=>x))}");
        }
    }
}