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Country Presets

ElectoralSim includes pre-configured setups for 23 countries plus the EU Parliament.

Available Presets

Preset Country System Seats Parties
india India FPTP 543 17
usa USA FPTP 435 2
uk UK FPTP 650 5
germany Germany MMP (PR) 598 6
brazil Brazil PR 513 7
france France Two-Round 577 4
japan Japan Mixed 465 5
australia_house Australia IRV 151 5
australia_senate Australia STV 76 4
south_africa South Africa PR 400 5
canada Canada FPTP 338 5
chile Chile PR 155 6
ireland Ireland PR-STV 39 6
israel Israel PR 120 6
mexico Mexico FPTP 300 6
netherlands Netherlands PR 150 8
norway Norway PR 169 7
nz New Zealand MMP 120 6
scotland Scotland AMS 129 5
spain Spain PR 350 6
sweden Sweden PR 349 7
switzerland Switzerland PR 200 5
wales Wales AMS 60 4

Using Presets

Quick Start

from electoral_sim import ElectionModel

model = ElectionModel.from_preset("germany", n_voters=100_000)
results = model.run_election()

Override Parameters

model = ElectionModel.from_preset(
    "india",
    n_voters=500_000,
    seed=42
)

Access Config Directly

from electoral_sim import germany_config

config = germany_config(n_voters=100_000)
print(f"System: {config.electoral_system}")
print(f"Parties: {[p.name for p in config.parties]}")

Specialized Simulations

India (Full Simulation)

For state-wise breakdown and alliance tracking:

from electoral_sim import simulate_india_election

result = simulate_india_election(
    n_voters_per_constituency=1000,
    seed=42
)

See India documentation for details.

EU Parliament

27 member states, 720 MEPs, 8 political groups:

from electoral_sim import simulate_eu_election

result = simulate_eu_election(
    n_voters_per_mep=500,
    seed=42
)

See Countries documentation for details.

Detailed Documentation