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Methods

Superior Methods

We combine academic research design, our own data-collection app and field experience across Indonesia to produce figures you can check, not just take on trust.

Digital Platform

Every interview leaves a trail that can be checked

Our enumerators work with ASPIRASI’s own survey app. Field evidence is captured automatically, so data quality is protected from the very first question.

Screenshots of the ASPIRASI enumerator app. Feature cards are illustrations.

  1. GPS location check

    Coordinates and location accuracy are recorded automatically for every interview and matched against the assigned sampling point.

  2. Hidden interview timer

    The length of each interview and of each question is recorded in the background, out of the enumerator’s sight. Interviews that are too short are flagged automatically.

  3. Respondent photo (with consent)

    With the respondent’s consent, a photo is taken in the app as proof of the interview. It is used for internal verification only and never published.

  4. Digital signature

    Respondents sign on screen to give their informed consent before the interview begins.

  5. Works without signal

    The questionnaire runs fully offline. Data is stored on the device and syncs automatically once a signal is available, so remote areas stay within reach.

  6. Anti-fraud checks

    The system flags suspicious patterns: implausible durations, repeated locations, uniform answers, or interviews logged back-to-back.

  7. Electoral dashboard (real-time)

    Our central team and our clients follow sample progress, field locations and interim results in real time from one dashboard.

Data-collection methods

Four survey modes

Each method has its own strengths. We recommend the combination that best fits your population, budget and deadline. The same methods power our public-trust index: how much a figure or institution is trusted, and why.

  • Core standard

    Face-to-face CAPI

    Trained enumerators interview respondents in person at home, using the app on a phone. It reaches every segment of society, including people without internet or phone access.

  • High control

    Telephone CATI

    Trained interviewers call respondents directly. Interview quality control is high, misunderstandings are kept to a minimum and answers can be clarified on the spot.

  • Cost-saving

    Self-administered Web

    An interactive questionnaire link is sent by WhatsApp or SMS to numbers drawn by Random Digit Dialling (RDD). Respondents fill it in themselves: cost-efficient and private.

  • High response

    Hybrid Dual-mode

    An initial phone contact verifies the respondent and confirms consent, followed by an instant link, or a follow-up phone interview if the link is not opened.

Comparing remote methods

Comparison of telephone, self-administered and hybrid methods on four indicators
IndicatorTelephone (CATI)Self-administered (web link)RecommendedHybrid
Response rateHigh (40–55%)Medium (15–25%)Very high (>60%)
Budget & cost efficiencyModerate (operator workload)Very efficientBalanced (optimal)
Depth & quality controlVery goodLimited to self-reportHigh & verified
Data-collection speed1–2 weeks3–5 days1–2 weeks

Face-to-face interviewing (CAPI) remains our first choice for national electoral and public-opinion surveys; the three remote methods above complement it.

Electoral map

An electoral map database for all of Indonesia

ASPIRASI holds a complete electoral map database for all of Indonesia.

  • Election results down to regency and city level, and to districts where data exists, ready to compare across areas
  • Used to design samples, read bases of support and shape constituency strategy
  • Delivered to clients as interactive maps and dashboards, like the official 2024 presidential result below

2024 presidential election — national to regency level

Declared by KPU, 20 March 2024

  • 01Anies–MuhaiminAnies Baswedan – Muhaimin Iskandar24.95%40,971,906 votesWon 2 provinces
  • 02Prabowo–GibranWinnerPrabowo Subianto – Gibran Rakabuming Raka58.59%96,214,691 votesWon 36 provinces
  • 03Ganjar–MahfudGanjar Pranowo – Mahfud MD16.47%27,040,878 votesDid not win any province

164,227,475 valid votes in total, including 671,366 cast by voters abroad.

Aceh. Winner: Anies–Muhaimin 73.56%. Prabowo–Gibran 24.43%, Ganjar–Mahfud 2.01%.North Sumatra. Winner: Prabowo–Gibran 58.26%. Anies–Muhaimin 29.25%, Ganjar–Mahfud 12.49%.West Sumatra. Winner: Anies–Muhaimin 56.53%. Prabowo–Gibran 39.45%, Ganjar–Mahfud 4.02%.Riau. Winner: Prabowo–Gibran 52.35%. Anies–Muhaimin 37.96%, Ganjar–Mahfud 9.69%.Jambi. Winner: Prabowo–Gibran 65.23%. Anies–Muhaimin 24.15%, Ganjar–Mahfud 10.62%.South Sumatra. Winner: Prabowo–Gibran 69.47%. Anies–Muhaimin 18.98%, Ganjar–Mahfud 11.55%.Bengkulu. Winner: Prabowo–Gibran 70.42%. Anies–Muhaimin 18.10%, Ganjar–Mahfud 11.47%.Lampung. Winner: Prabowo–Gibran 69.55%. Anies–Muhaimin 15.49%, Ganjar–Mahfud 14.96%.Bangka Belitung Islands. Winner: Prabowo–Gibran 59.85%. Anies–Muhaimin 23.08%, Ganjar–Mahfud 17.07%.Riau Islands. Winner: Prabowo–Gibran 55.64%. Anies–Muhaimin 32.15%, Ganjar–Mahfud 12.21%.Jakarta. Winner: Prabowo–Gibran 41.67%. Anies–Muhaimin 41.07%, Ganjar–Mahfud 17.26%.West Java. Winner: Prabowo–Gibran 58.50%. Anies–Muhaimin 31.68%, Ganjar–Mahfud 9.82%.Central Java. Winner: Prabowo–Gibran 53.08%. Anies–Muhaimin 12.58%, Ganjar–Mahfud 34.35%.Special Region of Yogyakarta. Winner: Prabowo–Gibran 50.63%. Anies–Muhaimin 19.80%, Ganjar–Mahfud 29.57%.East Java. Winner: Prabowo–Gibran 65.19%. Anies–Muhaimin 17.52%, Ganjar–Mahfud 17.29%.Banten. Winner: Prabowo–Gibran 55.99%. Anies–Muhaimin 34.02%, Ganjar–Mahfud 9.99%.Bali. Winner: Prabowo–Gibran 54.26%. Anies–Muhaimin 3.70%, Ganjar–Mahfud 42.04%.West Nusa Tenggara. Winner: Prabowo–Gibran 66.37%. Anies–Muhaimin 26.20%, Ganjar–Mahfud 7.43%.East Nusa Tenggara. Winner: Prabowo–Gibran 61.80%. Anies–Muhaimin 5.27%, Ganjar–Mahfud 32.93%.West Kalimantan. Winner: Prabowo–Gibran 61.05%. Anies–Muhaimin 22.34%, Ganjar–Mahfud 16.61%.Central Kalimantan. Winner: Prabowo–Gibran 72.53%. Anies–Muhaimin 16.98%, Ganjar–Mahfud 10.50%.South Kalimantan. Winner: Prabowo–Gibran 58.23%. Anies–Muhaimin 35.16%, Ganjar–Mahfud 6.62%.East Kalimantan. Winner: Prabowo–Gibran 69.15%. Anies–Muhaimin 20.09%, Ganjar–Mahfud 10.77%.North Kalimantan. Winner: Prabowo–Gibran 69.71%. Anies–Muhaimin 17.67%, Ganjar–Mahfud 12.62%.North Sulawesi. Winner: Prabowo–Gibran 75.31%. Anies–Muhaimin 7.30%, Ganjar–Mahfud 17.39%.Central Sulawesi. Winner: Prabowo–Gibran 69.57%. Anies–Muhaimin 21.50%, Ganjar–Mahfud 8.93%.South Sulawesi. Winner: Prabowo–Gibran 57.02%. Anies–Muhaimin 37.94%, Ganjar–Mahfud 5.04%.Southeast Sulawesi. Winner: Prabowo–Gibran 71.11%. Anies–Muhaimin 23.09%, Ganjar–Mahfud 5.79%.Gorontalo. Winner: Prabowo–Gibran 65.24%. Anies–Muhaimin 29.39%, Ganjar–Mahfud 5.37%.West Sulawesi. Winner: Prabowo–Gibran 65.14%. Anies–Muhaimin 27.23%, Ganjar–Mahfud 7.63%.Maluku. Winner: Prabowo–Gibran 61.59%. Anies–Muhaimin 21.16%, Ganjar–Mahfud 17.25%.North Maluku. Winner: Prabowo–Gibran 60.93%. Anies–Muhaimin 26.85%, Ganjar–Mahfud 12.23%.Papua. Winner: Prabowo–Gibran 60.62%. Anies–Muhaimin 10.81%, Ganjar–Mahfud 28.56%.West Papua. Winner: Prabowo–Gibran 52.26%. Anies–Muhaimin 11.32%, Ganjar–Mahfud 36.43%.South Papua. Winner: Prabowo–Gibran 51.74%. Anies–Muhaimin 13.31%, Ganjar–Mahfud 34.95%.Central Papua. Winner: Prabowo–Gibran 57.94%. Anies–Muhaimin 11.66%, Ganjar–Mahfud 30.40%.Highland Papua. Winner: Prabowo–Gibran 64.56%. Anies–Muhaimin 21.89%, Ganjar–Mahfud 13.55%.Southwest Papua. Winner: Prabowo–Gibran 58.54%. Anies–Muhaimin 13.53%, Ganjar–Mahfud 27.93%.
  • 01 Anies–Muhaimin
  • 02 Prabowo–Gibran
  • 03 Ganjar–Mahfud

Deeper shade = larger winning share

Source: KPU recapitulation, 2024 presidential electionProvinces: KPU Decision No. 360 of 2024Regencies/cities: KPU form D.Hasil Provinsi-PPWP (transcribed on id.wikipedia, checked against provincial totals; Central Kalimantan: Sirekap count)Districts: KPU Sirekap count (archived on web.archive.org, 9 Feb–31 Mar 2024), shown where it covers ≥50% of official valid votesBoundaries: BPS/OCHA via geoBoundaries (CC BY 3.0 IGO)
Results by province (38)
Sumatra73.56%2,369,53424.43%787,0242.01%64,6773,221,235
Sumatra29.25%2,339,62058.26%4,660,40812.49%999,5287,999,556
Sumatra56.53%1,744,04239.45%1,217,3144.02%124,0443,085,400
Sumatra37.96%1,400,09352.35%1,931,1139.69%357,2983,688,504
Sumatra24.15%532,60565.23%1,438,95210.62%234,2512,205,808
Sumatra18.98%997,29969.47%3,649,65111.55%606,6815,253,631
Sumatra18.10%229,68170.42%893,49911.47%145,5701,268,750
Sumatra15.49%791,89269.55%3,554,31014.96%764,4865,110,688
Sumatra23.08%204,34859.85%529,88317.07%151,109885,340
Sumatra32.15%370,67155.64%641,38812.21%140,7331,152,792
Java41.07%2,653,76241.67%2,692,01117.26%1,115,1386,460,911
Java31.68%9,099,67458.50%16,805,8549.82%2,820,99528,726,523
Java12.58%2,866,37353.08%12,096,45434.35%7,827,33522,790,162
Java19.80%496,28050.63%1,269,26529.57%741,2202,506,765
Java17.52%4,492,65265.19%16,716,60317.29%4,434,80525,644,060
Java34.02%2,451,38355.99%4,035,0529.99%720,2757,206,710
Bali & Nusa Tenggara3.70%99,23354.26%1,454,64042.04%1,127,1342,681,007
Bali & Nusa Tenggara26.20%850,53966.37%2,154,8437.43%241,1063,246,488
Bali & Nusa Tenggara5.27%153,44661.80%1,798,75332.93%958,5052,910,704
Kalimantan22.34%718,64161.05%1,964,18316.61%534,4503,217,274
Kalimantan16.98%256,81172.53%1,097,07010.50%158,7881,512,669
Kalimantan35.16%849,94858.23%1,407,6846.62%159,9502,417,582
Kalimantan20.09%448,04669.15%1,542,34610.77%240,1432,230,535
Kalimantan17.67%72,06569.71%284,20912.62%51,451407,725
Sulawesi7.30%119,10375.31%1,229,06917.39%283,7961,631,968
Sulawesi21.50%386,74369.57%1,251,3138.93%160,5941,798,650
Sulawesi37.94%2,003,08157.02%3,010,7265.04%265,9485,279,755
Sulawesi23.09%361,58571.11%1,113,3445.79%90,7271,565,656
Sulawesi29.39%227,35465.24%504,6625.37%41,508773,524
Sulawesi27.23%223,15365.14%533,7577.63%62,514819,424
Maluku21.16%228,55761.59%665,37117.25%186,3951,080,323
Maluku26.85%200,45960.93%454,94312.23%91,293746,695
Papua10.81%67,59260.62%378,90828.56%178,534625,034
Papua11.32%37,45952.26%172,96536.43%120,565330,989
Papua13.31%41,90651.74%162,85234.95%110,003314,761
Papua11.66%128,57757.94%638,61630.40%335,0891,102,282
Papua21.89%284,18464.56%838,38213.55%175,9561,298,522
Papua13.53%48,40558.54%209,40327.93%99,899357,707
Overseas18.64%125,11063.73%427,87117.63%118,385671,366
National24.95%40,971,90658.59%96,214,69116.47%27,040,878164,227,475

Quality control

Layered quality control, from sample to report

Trust in a number comes from a process that can be checked. Every project passes six layers of checks before the results reach you.

  1. Sample & questionnaire design

    The sampling frame is built from official population data using multistage random sampling, supervised by a statistician with a doctorate; questionnaires are piloted before fieldwork.

  2. Trained, registered enumerators

    Enumerators are trained and tested before deployment. Each account is registered and tied to its assigned area.

  3. Checks during the interview

    GPS, a hidden timer, photos and a digital signature record evidence of every interview automatically.

  4. Re-verification

    A random share of respondents is called or visited again by a separate team (spot checks and back-checks).

  5. Validation & data cleaning

    Consistency tests and detection of duplicates and implausible answer patterns; records that fail verification are excluded from analysis.

  6. Transparent analysis & reporting

    Weighting to population parameters; the methodology, margin of error and confidence level are stated in every report, and findings are reported as they are.

We protect respondents’ confidentiality: personal data is used only for verification and is never published.

Contact Us

Let’s discuss your data and strategy needs.

We are ready to help design research, read the electoral map and build well-targeted communication strategy.

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We protect your trust: client data and strategy stay confidential.