A little knowledge. An empire of 31.

Every comparison uses this expedition’s original data and rules. “Would win” describes this matchup only; a different choice would change the later journey.

21. 21
    Round 21Won31 countries · 3 lives left

    RomaniavsCroatia

    Area: 238,391 vs 56,594 km² · Higher wins ↑

    Conquered Croatia.

    Other category comparisons 4 other winning choices

    All eight categories for Romania against Croatia

    Category	Romania	Croatia	Result
    Areakm² · Higher wins ↑ · Chosen	238,391	56,594	Would win
    Populationpeople · Higher wins ↑	19,061,062	3,859,686	Would win
    Wealth per personint’l $ · Higher wins ↑	45,982	47,760	Would lose
    Densityper km² · Higher wins ↑	80.0	68.2	Would win
    Highest peakm · Higher wins ↑	2,544	1,831	Would win
    Coastlinekm · Higher wins ↑	225	5,835	Would lose
    Flag colourscolours · Higher wins ↑	3	6	Would lose
    Proximity to equatorfrom the equator · Closer wins ↓	45.7° N	45.8° N	Would win

22. 22
    Round 22Won32 countries · 3 lives left

    United Arab EmiratesvsUnited Kingdom

    Proximity to equator: 23.5° N vs 52.5° N from the equator · Closer wins ↓

    Conquered United Kingdom.

    Other category comparisons 3 other winning choices

    All eight categories for United Arab Emirates against United Kingdom

    Category	United Arab Emirates	United Kingdom	Result
    Areakm² · Higher wins ↑	83,600	243,610	Would lose
    Populationpeople · Higher wins ↑	10,483,751	68,526,000	Would lose
    Wealth per personint’l $ · Higher wins ↑	78,020	60,787	Would win
    Densityper km² · Higher wins ↑	125.4	281.3	Would lose
    Highest peakm · Higher wins ↑	1,905	1,345	Would win
    Coastlinekm · Higher wins ↑	1,318	12,429	Would lose
    Flag colourscolours · Higher wins ↑	4	3	Would win
    Proximity to equatorfrom the equator · Closer wins ↓ · Chosen	23.5° N	52.5° N	Would win

23. 23
    Round 23Lost31 countries · 2 lives left

    BurundivsTogo

    Flag colours: 3 vs 4 colours · Higher wins ↑

    Returned to the world: Burundi.

    Other category comparisons 4 other winning choices

    All eight categories for Burundi against Togo

    Category	Burundi	Togo	Result
    Areakm² · Higher wins ↑	27,830	56,785	Would lose
    Populationpeople · Higher wins ↑	13,689,450	8,223,850	Would win
    Wealth per personint’l $ · Higher wins ↑	1,147	3,572	Would lose
    Densityper km² · Higher wins ↑	491.9	144.8	Would win
    Highest peakm · Higher wins ↑	2,685	986	Would win
    Coastlinekm · Higher wins ↑	0	56	Would lose
    Flag colourscolours · Higher wins ↑ · Chosen	3	4	Would lose
    Proximity to equatorfrom the equator · Closer wins ↓	3.4° S	8.9° N	Would win