A little knowledge. An empire of 28.

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 21Won29 countries · 2 lives left

    CanadavsSweden

    Area: 9,984,670 vs 450,295 km² · Higher wins ↑

    Conquered Sweden.

    Other category comparisons 4 other winning choices

    All eight categories for Canada against Sweden

    Category	Canada	Sweden	Result
    Areakm² · Higher wins ↑ · Chosen	9,984,670	450,295	Would win
    Populationpeople · Higher wins ↑	40,049,088	10,536,632	Would win
    Wealth per personint’l $ · Higher wins ↑	64,962	68,458	Would lose
    Densityper km² · Higher wins ↑	4.0	23.4	Would lose
    Highest peakm · Higher wins ↑	5,959	2,100	Would win
    Coastlinekm · Higher wins ↑	202,080	3,218	Would win
    Flag colourscolours · Higher wins ↑	2	2	Would tie
    Proximity to equatorfrom the equator · Closer wins ↓	58.8° N	65.8° N	Would win

22. 22
    Round 22Lost28 countries · 1 life left

    IcelandvsArgentina

    Density: 3.7 vs 16.4 per km² · Higher wins ↑

    Returned to the world: Iceland.

    Other category comparisons 1 other winning choice

    All eight categories for Iceland against Argentina

    Category	Iceland	Argentina	Result
    Areakm² · Higher wins ↑	103,000	2,780,400	Would lose
    Populationpeople · Higher wins ↑	385,663	45,538,401	Would lose
    Wealth per personint’l $ · Higher wins ↑	82,257	30,246	Would win
    Densityper km² · Higher wins ↑ · Chosen	3.7	16.4	Would lose
    Highest peakm · Higher wins ↑	2,110	6,962	Would lose
    Coastlinekm · Higher wins ↑	4,970	4,989	Would lose
    Flag colourscolours · Higher wins ↑	3	4	Would lose
    Proximity to equatorfrom the equator · Closer wins ↓	64.7° N	31.4° S	Would lose

23. 23
    Round 23Won29 countries · 1 life left

    KazakhstanvsMorocco

    Area: 2,724,900 vs 446,550 km² · Higher wins ↑

    Conquered Morocco.

    Other category comparisons 2 other winning choices

    All eight categories for Kazakhstan against Morocco

    Category	Kazakhstan	Morocco	Result
    Areakm² · Higher wins ↑ · Chosen	2,724,900	446,550	Would win
    Populationpeople · Higher wins ↑	20,330,104	37,712,505	Would lose
    Wealth per personint’l $ · Higher wins ↑	38,547	9,903	Would win
    Densityper km² · Higher wins ↑	7.5	84.5	Would lose
    Highest peakm · Higher wins ↑	7,010	4,165	Would win
    Coastlinekm · Higher wins ↑	0	1,835	Would lose
    Flag colourscolours · Higher wins ↑	2	2	Would tie
    Proximity to equatorfrom the equator · Closer wins ↓	48.5° N	31.9° N	Would lose

24. 24
    Round 24Lost28 countries · 0 lives left

    Central African RepublicvsChad

    Area: 622,984 vs 1,284,000 km² · Higher wins ↑

    Returned to the world: Central African Republic.

    Other category comparisons 2 other winning choices

    All eight categories for Central African Republic against Chad

    Category	Central African Republic	Chad	Result
    Areakm² · Higher wins ↑ · Chosen	622,984	1,284,000	Would lose
    Populationpeople · Higher wins ↑	5,152,421	19,319,064	Would lose
    Wealth per personint’l $ · Higher wins ↑	1,258	2,703	Would lose
    Densityper km² · Higher wins ↑	8.3	15.0	Would lose
    Highest peakm · Higher wins ↑	1,410	3,445	Would lose
    Coastlinekm · Higher wins ↑	0	0	Would tie
    Flag colourscolours · Higher wins ↑	5	3	Would win
    Proximity to equatorfrom the equator · Closer wins ↓	7.0° N	17.3° N	Would win