| activity_year | 4 | Numeric |
| lei | 20 | Alphanumeric |
| derived_msa_md | 5 | Alphanumeric |
| state_code | 2 | Alphanumeric |
| county_code | 5 | Alphanumeric |
| census_tract | 11 | Alphanumeric |
| conforming_loan_limit | 2 | Alphanumeric |
| derived_loan_product_type | 29 | Alphanumeric |
| derived_dwelling_category | 38 | Alphanumeric |
| derived_ethnicity | 23 | Alphanumeric |
| derived_race | 41 | Alphanumeric |
| derived_sex | 17 | Alphanumeric |
| action_taken | 1 | Numeric |
| purchaser_type | 1 | Numeric |
| preapproval | 1 | Numeric |
| loan_type | 1 | Numeric |
| loan_purpose | 2 | Numeric |
| lien_status | 1 | Numeric |
| reverse_mortgage | 4 | Numeric |
| open_end_line_of_credit | 4 | Numeric |
| business_or_commercial_purpose | 4 | Numeric |
| loan_amount | | Alphanumeric |
| combined_loan_to_value_ratio | | Alphanumeric |
| interest_rate | | Alphanumeric |
| rate_spread | | Alphanumeric |
| hoepa_status | 1 | Numeric |
| total_loan_costs | | Alphanumeric |
| total_points_and_fees | | Alphanumeric |
| origination_charges | | Alphanumeric |
| discount_points | | Alphanumeric |
| lender_credits | | Alphanumeric |
| loan_term | | Alphanumeric |
| prepayment_penalty_term | | Alphanumeric |
| intro_rate_period | | Alphanumeric |
| negative_amortization | 4 | Numeric |
| interest_only_payment | 4 | Numeric |
| balloon_payment | 4 | Numeric |
| other_nonamortizing_features | 4 | Numeric |
| property_value | | Alphanumeric |
| construction_method | 1 | Numeric |
| occupancy_type | 1 | Numeric |
| manufactured_home_secured_property_type | 4 | Numeric |
| manufactured_home_land_property_interest | 4 | Numeric |
| total_units | 7 | Alphanumeric |
| multifamily_affordable_units | 6 | Alphanumeric |
| income | | Alphanumeric |
| debt_to_income_ratio | | Alphanumeric |
| applicant_credit_score_type | 4 | Numeric |
| co_applicant_credit_score_type | 4 | Numeric |
| applicant_ethnicity_1 | 2 | Alphanumeric |
| applicant_ethnicity_2 | 2 | Alphanumeric |
| applicant_ethnicity_3 | 2 | Alphanumeric |
| applicant_ethnicity_4 | 2 | Alphanumeric |
| applicant_ethnicity_5 | 2 | Alphanumeric |
| co_applicant_ethnicity_1 | 2 | Alphanumeric |
| co_applicant_ethnicity_2 | 2 | Alphanumeric |
| co_applicant_ethnicity_3 | 2 | Alphanumeric |
| co_applicant_ethnicity_4 | 2 | Alphanumeric |
| co_applicant_ethnicity_5 | 2 | Alphanumeric |
| applicant_ethnicity_observed | 1 | Alphanumeric |
| co_applicant_ethnicity_observed | 1 | Alphanumeric |
| applicant_race_1 | 2 | Alphanumeric |
| applicant_race_2 | 2 | Alphanumeric |
| applicant_race_3 | 2 | Alphanumeric |
| applicant_race_4 | 2 | Alphanumeric |
| applicant_race_5 | 2 | Alphanumeric |
| co_applicant_race_1 | 2 | Alphanumeric |
| co_applicant_race_2 | 2 | Alphanumeric |
| co_applicant_race_3 | 2 | Alphanumeric |
| co_applicant_race_4 | 2 | Alphanumeric |
| co_applicant_race_5 | 2 | Alphanumeric |
| applicant_race_observed | 1 | Numeric |
| co_applicant_race_observed | 1 | Numeric |
| applicant_sex | 1 | Numeric |
| co_applicant_sex | 1 | Numeric |
| applicant_sex_observed | 1 | Numeric |
| co_applicant_sex_observed | 1 | Numeric |
| applicant_age | | Alphanumeric |
| co_applicant_age | | Alphanumeric |
| applicant_age_above_62 | | Alphanumeric |
| co_applicant_age_above_62 | | Alphanumeric |
| submission_of_application | 4 | Alphanumeric |
| initially_payable_to_institution | 4 | Alphanumeric |
| aus_1 | 4 | Numeric |
| aus_2 | 1 | Alphanumeric |
| aus_3 | 1 | Alphanumeric |
| aus_4 | 1 | Alphanumeric |
| aus_5 | 1 | Alphanumeric |
| denial_reason_1 | 4 | Alphanumeric |
| denial_reason_2 | 1 | Alphanumeric |
| denial_reason_3 | 1 | Alphanumeric |
| denial_reason_4 | 1 | Alphanumeric |
| tract_population | | Numeric |
| tract_minority_population_percent | | Numeric |
| ffiec_msa_md_median_family_income | | Numeric |
| tract_to_msa_income_percentage | | Numeric |
| tract_owner_occupied_units | | Numeric |
| tract_one_to_four_family_homes | | Numeric |
| tract_median_age_of_housing_units | | Numeric |